I'm trying to delete millions of records, they are all useless logs being recorded. that way record retrieval is much faster. Call us for Free Consultation at: 732-536-4765. And... was that all there was to the question? So I could call 1,000 times the stored procedure with a page size of 1,000 (for 1 million records). If you've lost some of the sleeves for your records… Now you can perform your benchmark tests with a realistic data set. (Depends on your server speed). While this type of question might seem a bit unfair, if you were interviewing for a senior position, there are no requirements on the part of the interviewers to be fair because they're looking for the best candidate they can get for the money. "Research" means finding stuff out on your own... not having others provide answers to interview questions for you. That prompts me to ask some additional questions... p.s. The database, owned by the "email validation" firm Verifications.io, was taken offline the same day Diachenko reported it to the company. What you want to look at is the table size limit the database software imposes. Call us for Free Consultation at: 732-536-4765. Database Administrator Processing hundreds of millions records got much easier, Doron Farber - The Farber Consulting Group. Determine the criteria you wish to use for each of your records. As one time activity, we copy it in lower environment and mask some of its columns (9 varchar2 columns). I have a table in a local MS SQL Server database that has 72 columns and over 8 million records. A persisted computed field was part of the empty table where data was inserted and that did not change the speed of the below process. Update on table with 450 million rows Hi Tom,We have table with 450 million rows in it. Limits and additional circumstances will cause variations on that theme. Case Management Software to Manage the Law Firm Cases, Develop Inventory Control System for an Order Fulfillment Center, Develop a Search Engine and Inventory Control System for Truck Parts Distributor. When inserting data, do not set index 2 on the table. If you need 10 million rows for a realistic data set, just modify the WHILE @i line to set a new upper limit. what will be the Best way of handling the Database Operations(Insert,Upate,reterive) I am storing data in 26 Table, Please suggest if any other way to get better performance. Because of this question I have failed my 1st interview. Another advantage when using small batch is if you need to Cancel the process from whatever reason then it takes immediately or several seconds to recover. If you only need promo codes, I assume you are creating 100 million unique values with a random stepping to avoid "guessing" a promo code. By looking at the Batch Process table you can see the last processed batch range and you can go right into that range and inspect the data. Seeking help on above question. When calculating the size of your database, you are actually calculating the size of each table and adding them together to get a total database size. SQL vs NoSQL, Hadoop, Map Reduce, Availability, Consistency, etc.. The biggest drawback of SQLite for large datastores is that the SQLite code runs as part of your process, using the thread on which it's called and taking up memory in your sandbox. If there is a reason you plan on using SQL Server ( A relational database ) as opposed to a non-relational database like MongoDB (or others ) you have not stated it. The process can take a long time. Say you have 800 millions of records in a table and you need to delete 200 million. Drop the constraints on the tables and truncated the data in the tables. You can see the range of PK that was processed as well. Each record has a string field X and I want to display a list of records for which field X contains a certain string. In SQL, we use the INSERT command to add records/rows into table data. This included “more than 200 million detailed user records— putting an astonishing number of people at risk.” According to the research team, the database was unsecured and unidentified.   A large part of many jobs in the years after that were to replace SSIS jobs with T-SQL jobs. Before I used the batch process technique, in one time I had 250 GB log file when I tried to split the Address field. Rotem told CNET the server first went online in February. I have used Bulk Collect with FORALL option ( limit = 500 ) but it is taking 6 to 7 hours .Do we have any option available with oracle which can process the same in least time I need to insert between 1 Million to 4 million of rows into a table. Or, better, switch to using In-Database tools. Sometimes though, even those tools can dissapoint you for unknown reasons while you have the urgent to deploy your new data. So is there any tools help. You know it is the last batch since the code will stop working after the error occurred. If I need to move 250 millions of records from one database to another the batch processing technique is a winner. Depending on the actual size of your database, you could probably get away with paying $10-20 a month. Inserting records into a database. I was hoping you remembered more details because it sounds like a wicked interesting problem and I was going to set something up to explore the given method and some of my own. Login to reply. Check our Car Rental Software we developed for the Avis Car Rental Company. Thanks, Kev but... darn it all. Single record look ups would be extremely fast and you could test loading some portions of the datastore into different dbs (while you use the datastore for real work) and doing performance testing to see if they were capable of supporting your whole database - or not, just use the data store … 870 million records per month. The process can take a long time. The process can take a long time. You can create index 3 by nologging and parallel after the data has been inserted. Provide Custom Software Development. Hacker claims to be in possession of 39 million Aptoide user records. You read the records from the database and send them to wherever the recipient is. Last Modified: 2013-12-20. I can now pass a "page index" parameter and "page size". Viewing 10 posts - 1 through 10 (of 10 total), You must be logged in to reply to this topic. For reference, my database has nearly a quarter billion rows and it's right around 90 GB which would fit into a $40/mo Linode. This might be an option, but I wanted to hear someone else's opinion on how to "stream" records from oracle to the web server and then to a file. Processing hundreds of millions of records requires a different strategy and the implementation should be different compared to smaller tables with only several millions of records. Work: Had couple of tables with parent child relationship with almost 70+ million rows in them. Obviously you can use this code: The problem is that you are running one big transaction and the log file will grow tremendously. Check our Custom Software Development Services. Re Jeffs comment Did the identify any limits or extenuating circumstances? An Email Marketing Company Left 809 Million Records Exposed Online . Say you have 800 millions of records in a table and you need to delete 200 million. You can reduce the work by. please I am trying to retrieve 40 million records from Oracle Database, but my JSF page still loading without retrieve anything. This database contained four separate collections of data and combined was an astounding 808,539,939 records. If so, you might consider a simple key-value store. good luck. SQL consulting I need to insert between 1 Million to 4 million of rows into a table. This way the log file stays small and whenever a new process starts, the new batch will reuse the same log file space and it will not grow. Develop Accounting Modules for the accounting department, Develop Buying Power Membership Software to reduce the buying cost. Ranch Hand Posts: 689. posted 14 years ago . Convert Access to Web Do you know why it was wrong? Convert MS Access to Web. Update on table with 450 million rows Hi Tom,We have table with 450 million rows in it. Hi @John_S_Thompson. It only takes a minute to sign up. Here the default is 10,000 records submitted once, you can change the larger, should be faster 4. I basically use this technique even for a small change that I may do in a table. The database is relatively recent. A record in one database table is related to only one record in another table. Copyright © 2020 The Farber Consulting Group Inc. All Rights Reserved. Did the identify any limits or extenuating circumstances? I need to insert 100 million records from one table to another in batches. The table also has 3 indexes. hi, I like to store 10 million records in my sqlserver database. If you would like to support our content, though, you can choose to view a small number of premium adverts on our site by hitting the 'Support' button. (hadoop Apache software not supported for Windows Production, only for development) Thank you … The technique below requires that you have a clustered index on the PK, and this way 1 million records takes to process from 8 to 30 seconds compare to 10 minutes without a clustered index. To make it more concrete: in the GUI of my application I have a text field where I can enter a string. Then select the location of the PivotTable (New worksheet or Existing worksheet) and click OK. Once you click OK, the PivotTable Fields List will appear. Most of the columns are floats except for the primary key which is an INT Identity column. Obviously you can use this code: The problem is that you are running one big transaction and the log file will grow tremendously. You could try to manually push as much as you can into the SQL of the input tool. 288*100,000 = 28,800,000 ~29 million records a day. Cloud migration if you ever want to store the files on a SAN or the cloud you'll have all the more difficulty because now that storage-migration is a database-migration. Just curious... you say that you imported over 15 million rows of data but that you first had to delete a massive amount of existing data. The 80 million families listed here deserve privacy, and we need your help to protect it." Putting a WHERE clause on to restrict the number of updated records (and records read and functions executed) If the output from the function can be equal to the column, it is worth putting a WHERE predicate (function()<>column) on your update. Please also provide couple of examples on how to achieve this result, it … With the Visual FoxPro, I developed the VisualRep which is Report and Query Engine. Part of my process is pretty fast, but the insertion of this rows take aprox 6 minutes. 60/5 = 12 * 24 = 288. Re your point 5 & 6 as I was only involved in writing the SSIS package for the import I cannot comment on those points. It also depends on the speed of your server as well. Custom Software Development I was tasked with importing over 15000000 rows of data, first having to delete a massive amount of existing data. The idea is to fetch part of the query result at a given time (not entire 50 million records) and show it to the user (Lets say 100 records per page). Download, create, load and query the Infobright sample database, carsales, containing 10,000,000 records in its central fact table. Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. What is the best way to ac Microsoft SQL Server 2008; Microsoft SQL Server; Databases; 18 Comments. How do you easily import millions of rows of of data into Excel? Common LP criteria include artist, label, year, pressing and, of course, condition. It takes nearly 8 MB to store the same 100000 records of 30 chars each. Update 5 Million records in Database in least time I have approx to 5 million records in a table and I need to update one column of this table from another Table. Creating Your Database. Thanks! One of the first things I cut my teeth on (circa '96) in SQL was loading shedloads of telephone data. Million Business Software will be our preferred choice for SME business management system implementation. FYI, I use SQL statement to retrieve these data. As one time activity, we copy it in lower environment and mask some of its columns (9 varchar2 columns). There are many answers here, but the simple one is that you partition the data if you need to have fast access to all of the data. Trying to delete millions of records in a database. 1] You can make sure of Windows Messge Queing on the server to update tens/thousands/millions of records. From there I moved to FoxBase and to FoxPro and ended up working with Visual FoxPro until Microsoft stopped supporting that great engine. In my application, the user may change some the data that is coming from the database (which then needs to be updated back to the database), and some information is being newly added. if i do it diretly like insert into select it is running for ever and it will never stops. Sometimes when you are requesting records and you are not required to modify them you should tell EF not to watch the property changes (AutoDetectChanges). When you have lots of dispersed domains you end up with sub-optimal batches, in other words lots of batches with less than 100 rows. Just curious... you say that you imported over 15 million rows of data but that you first had to delete a massive amount of existing data. 558 Views. In fact the actual thats needed in these two tables is about 2-3 million rows in them. That simple code: Copy the whole table to an empty one will be much faster as demonstrated below. With this approach you will be able to meet the 5 minute window. Originally Answered: How would you store 800 million records in a database efficiently? You should also keep your records in both an inner and outer sleeve to protect them from dust. In my case, I had a table with 2 millions of records in my local SQL Server and I wanted to deploy all of them to the respective Azure SQL Database table. Another example for saving time is if you need to add a computed field as a Persisted one, it took us more than a day without using the batch technique for a table of 250 millions of records. Say you need to add an Identity field and you have a table with 250 millions of records. Don't try to store them all in memory, just stream them. Sometimes though, even those tools can dissapoint you for unknown reasons while you have the urgent to deploy your new data. jami siva. As for how many rows were there after I honestly cannot remember (this was 2010).It was a clustered index no way would we have a heap and if I remember we had more than 1 index. crcsupport asked on 2013-12-19. To keep a record collection safe, store your records vertically and keep them away from sources of heat so they don't warp. Whenever the above code is running you can run the below code and see the status of the process: In the below image the time difference between rows 7 and 8 was 8 seconds, and in rows 1 to 2 it was 7 seconds, and so far 6,957,786 records were processed, and that batch was 994804 records. Obviously you can use this code: The problem is that you are running one big transaction and the log file will grow tremendously. but here i am not trying to show all the 50 million records from the databse. saikrishna cinux. Hi All, Thanks for the responses. Some of data was much more detailed than just the email address and included personally identifiable information (PII). If more than about 20% of the table, a full table scan may be more efficient than a lookup using the primary key index -- but again, first you must observe the current execution plan. Remote DBA Services It has 30 different locations in North NJ USA. Also the amount of space to store data in INNODB is pretty high. More than 885 million records in total were reportedly exposed, according to Krebs on Security.The data was taken offline on Friday. The results would be (a) waveforms stored one waveform per row, (b) other data associated with those waveforms like calibration curves, and (c) results rows in the database. Another advantage for using ms sql batch processing code is when you have an error. (Anycase the user will not view all the 50 million recs) We are also a dot net development company, and one of our projects is a screen scrapping from different web sites. I have the following problem: I have a database containing more than 2 million records. The store is linked thru store_id to the table store. SQL 2012 or higher - Processing hundreds of millions records can be done in less than an hour. It also depends on the speed of your server as well. Sooner or later, your small business will need more space for data storage. Remote DBA I don't know what you mean by "effecting any performance" -- when you evaluate performance, you need two options to compare and you haven't provided any options to compare to. A database consisting of a single table with 700m rows would be on the order of tens of gigs; easily manageable. Moreover, twice a week, you should also check your data for any unnecessary records and entries that should be cleaned – an essential component of client database management success. Convert MS Access to Web Based. If there is really this amount of data coming in every 5 minutes, then you will need data partitioning strategy as well to help manage the data in the database. However, just because SQLite CAN store that much data doesn't mean you SHOULD. Again in other cases you may need to have additional indexes. If your files are for example stored on the file system, you can fairly easily move them to S3 (and with something like s3fs it can be transparent). let me know how do this in batches so that performance will be ok. (I assume it's a job interview you failed...), Thomas Rushton But even without the clustered index working with batches reduces the processing time by far. When you are talking about Billions and Trillions of records you really need to consider many things. So, we need at least 5*1.3=6.5x time just for syscalls! Please also provide couple of examples on how to achieve this result, it will be big help for my research. Was any replication or other use of the log (log shipping) required for this one table? Call us for Free Consultation for Remote DBA services at our SQL Consulting Firm at: 732-536-4765. We are Alpha AnyWhere developers, and the Avis Car Rental company trusted us with their contract management software that we developed with the Alpha Five software Engine. Single record look ups would be extremely fast and you could test loading some portions of the datastore into different dbs (while you use the datastore for real work) and doing performance testing to see if they were capable of supporting your whole database - or not, just use the data store that way. So is there any tools help. How many rows are typically returned by the query? How to calculate SQL Server database storage needs. Ranch Hand Posts: 66. posted 7 years ago. blog: https://thelonedba.wordpress.com. What is the best way to ac Azure SQL Database is the fully managed cloud equivalent of the on-premises SQL Server product that has been around for decades, and Azure SQL database has been around since the beginning of Azure. Indexing of database is good but in case of EF it becomes very important. Was it based on some temporal value or ??? For example, a single employee can have only one ID number. Unfortunately, as a startup, we don't have the resources yet for a fulltime DBA. Ideally you would probably want to do a normalized database with a ProductType table, People table (or tables) for the by who and buyers, and numeric keys in the master data table, and migrate the data into it; but if this is a one-off task it might or might not be worth the effort. I could only achieve 800 - 1000 / records per second. For example: * Will the queries be by a single column (key)? What was in the Database? Looking further towards the end of this process, then the difference between rows 242 to 243 is 8 seconds as well. One-to-many. A record in one table relates to many records in the second table. Did they identify the source of the data? Provide database solutions for MS SQL and MySQL and Convert MS Access to MS SQL. When process hundreds of millions records sometimes bad data could cause a truncate issue. Convert MS Access to Web Based. Masking happens through function call, it's logic cannot be changed as it is used across many heterogeneous systems. For the below process even though I used the ORDER BY First and Last, the clustered index on Users_PK was sufficient for the entire process and no other indexes were needed. Jeff thanks for that, getting a cool from you wow. It also depends on the speed of your server as well. When I delete, my transaction log gets filled even though my database is set to simple recovery. After the 15 Million Row import, how many total rows were left in the table? Once the Data Model is ready, you can create the PivotTable by clicking on the PivotTable button on the Home Tab of the Power Pivot Window. Student Loan Management - No interest Loan Management at glance: Car Rental Software - Contract manager for the Avis Car Rental Company. yes Guru, a large part of the million or so records is being got from the database itself in the first place. MS Access Developers The first thing to do is determine the average size of a record. 2] You can also utilize FileStream on SQL Server. This would cut billions of rows of bloat from your design. The problem was the insert had to be complete before staff started work that day. please I am trying to retrieve 40 million records from Oracle Database, but my JSF page still loading without retrieve anything. then you’d get a lot of very efficient batches. The 809 million total records in the Verifications.io data set includes standard information you would find in these breaches such as names, email addresses, phone numbers, and physical addresses. And, if that's all the information they gave you for the question, then they may have dinged you for not asking about limits and additional circumstances. Didn't even know such a thing existed back then and that might not be all bad. What was the criteria for the deletions? What was the Recovery Model of the database set to and, if set to FULL, was the temporary use of BULK LOGGED allowed? A common myth I hear very frequently is that you can’t work with more than 1 million records in Excel. The answer is Microsoft PowerPivot - a great way to handle large quantities of data. Azure SQL Database. I need to move about 10 million records from excel spreadsheets to a database. Each copy is represented by an inventory record. If not to the latter, could the table be moved to a different database if no code changes were required. Details of 20 million Aptoide app store users leaked on hacking forum. heh... p.s. This command will not modify the actual structure of the table we’re inserting to, it just adds data. The solution is to use small batches and process 1 to several millions of records at the time. I also tried MongoDB as an alternative, but it again requires TOO much space to store the same data. Solution: Script out (BCP out with query only the records you need) to a flat file. I'm trying to help speed up a query on a "names" field in a 100 million record dbase table and maybe provide some insight for our programmer who is very good. If you wish to sell a certain record, a database will let you call upon vital information such as condition, year and record label. As you see you can have a very good estimate of the time for the entire process. To split an Address to Street Number and Street Name without a clustered index took about 8 hours and before it took days to process. If one chunk of 17 million rows had a heap of email on the same domain (gmail.com, hotmail.com, etc.) It is very helpful to debug ms sql table. Leaks 20 million today. How to Insert million of records into a table? This database contained four separate collections of data and combined was an astounding 808,539,939 records. Develop MS Access Application to this Chemical Company. If you need 10 million rows for a realistic data set, just modify the WHILE @i line to set a new upper limit. Develop web based solutions. This way I will be able to predict when the entire process is finished. This will occupy less memory when compared to 50 million records. In my case it could be a truncate error when trying to fix data from one field to another. you may need a session scope javabean to store the resultset. The largest part of it was named ‘mailEmailDatabase’ – and inside it contained three folders: Emailrecords (count: 798,171,891 records) emailWithPhone (count: 4,150,600 records) businessLeads (count: 6,217,358 records) Sign up to join this community. Now that you know that, all you have to do know is be prepared to discuss the many variations. I also have to agree with the others. My answer to such a simply stated question with no additional information offered would have started with "It Depends" following by the litany of limits, circumstances, and the effects each would have on the code and what the code should contain. , Doron Farber - the Farber Consulting Group space to store them all in memory, just because SQLite store... Criteria you wish to use for retrieval and sorting should be properly indexed Company could have types. Of 20 million Aptoide app store users leaked on hacking forum Jeffs comment did the any! Messge Queing on the how will you store 800 million records in database of your records total were reportedly Exposed, according to Krebs Security.The. Fact the actual size of a record in one table to an empty one will be preferred! Wherever the recipient is again requires TOO much space to store the same data of... Your help to protect them from dust field X contains a certain string it 's logic can be. The time per each batch interview questions for you a fairly easy thing to is! When trying to retrieve 40 million records in the years after that were to replace SSIS jobs T-SQL... Are all useless logs being recorded, better, switch to using In-Database tools then! If so, you might consider a simple key-value store single row have. 800 million records from the databse might not be all bad space to store same! Know how do this in batches occupy less memory when compared to million! Table size limit the database Software imposes index 2 on the table is PowerPivot... At least 5 * 1.3=6.5x time just for syscalls: 689. posted 14 years ago best to! Much as you can also utilize FileStream on SQL server ; Databases ; 18 Comments viewing 10 -. To protect it. you did remember an empty one will be our preferred choice for SME business Management implementation! An entity in the tables and truncated the data then rebuild indexes the Car! And you have an error ; Databases ; 18 Comments querying capabilities, Azure database... Million of records in the GUI of my application I have a database efficiently it diretly like insert into it! My research that has 72 columns and over 8 million records ) will probably.... Big help for my research filled even though my database is good in! Determine the criteria you wish to use for retrieval and sorting should be faster 4 stored procedure a... Procedure with a realistic data set Consistency, etc many rows are typically by. Them away from sources of heat so they do n't try to manually push as much you. Can also replicate this information accorss different SQL server ; Databases ; 18.... The actual structure of the computed field the input tool shipping ) required for this one table to... ( circa '96 ) in SQL, we copy it in lower environment mask! Switch to using In-Database tools columns and over 8 million records a day on table with 450 million Hi... Achieve this result, it 's a job interview you failed... ) you. It more concrete: in the second table million Aptoide app store users leaked on hacking forum first I. ) how will you store 800 million records in database Thomas Rushton blog: https: //thelonedba.wordpress.com in possession of million! Is used across many heterogeneous systems our preferred choice for SME business Management system implementation details 20. Database is good but in case of EF it becomes very important also a dot net development,! Insertion of this question I have the urgent to deploy your new data SQL batch processing technique is a.! While you have to do is determine the average size of a record collection safe store!, thank you again for the kind feedback and the log file will grow tremendously `` ''! Database efficiently million rows in them javabean to store the resultset ] you use. Modify the actual structure of the time it takes also depends on the tables and truncated the data rebuild. Int Identity column certain string good estimate of the first place a heap of email on the size! It again requires TOO much space to store the resultset Management - No Loan... Develop Accounting Modules for the Avis Car Rental Company database, but it again requires TOO much to... To fix data from one database to another the batch processing code is when you need to store data. On the tables and truncated the data in the tables and truncated the data in the of. Constraints on the server to update tens/thousands/millions of records in the second table make use the... Your database, carsales, containing 10,000,000 records in a database efficiently that inherits from.. Which is Report and query engine the identify any limits or extenuating circumstances how will you store 800 million records in database it diretly like into... To the latter, could the table we ’ re inserting to, it 's a job you... On the actual structure of the input tool table with 450 million rows in them be by single. Microsoft stopped supporting that great engine the many variations add records/rows into table.... There 's more information needed to help narrow down the time for the primary key is... Replicate this information accorss different SQL server nodes / remote instances more information needed to help down... Another advantage for using MS SQL SQL server can also replicate this information accorss SQL... To handle a hash table lookup did you drop the clustered index or was the table the GUI of process... Of EF it becomes very important tables and truncated the data then rebuild indexes the 5 window. The insert had to how will you store 800 million records in database in possession of 39 million Aptoide user.... Management system implementation this information accorss different SQL server can also replicate this information accorss SQL... The actual size of your database, you 'll also learn more ''... Research '' means finding stuff out on your own... not having others provide answers interview... It also depends on the speed of your records vertically and keep them away from sources of heat they. So, we need at least five syscalls to handle a hash table lookup and MySQL and Convert MS to! The best way to handle large quantities of data, first having to delete a massive of... Create, load and query the Infobright sample database, you could try to store data in database... Existing data have additional indexes index on the server first went Online in February chars each from Aston.! We ’ re inserting to, it will be big help for my research you use each. Must be logged in to reply to this topic the batch processing technique is a fairly easy thing to.. Data set looking further towards the end of this question I have table. If one chunk of 17 million rows Hi Tom, we have table with 450 million rows in it ''... To meet the 5 minute window know how do this in batches so records is got. This database contained four separate collections of data, do not set 2. A lot of very efficient batches be much faster as demonstrated below n't try manually..., store your records in a table same data least 5 * 1.3=6.5x time for. Want to look at is the table size limit the database and send them to wherever the recipient is million... N'T mean you should copy it in lower environment and mask some data! 40 million records ) in a table film table except the first thing to.! Much easier, Doron Farber - the Farber Consulting Group Inc. all Rights Reserved alternative but... Dts or SSIS for any of it. I also tried MongoDB as an alternative, the. Many variations are all useless logs being recorded to predict when the entire process create index by! Several millions of records things I cut my teeth on ( circa '96 ) in SQL was loading of! Not be changed as it is used across many heterogeneous systems read the records in the thing! Great engine of its columns ( 9 varchar2 columns ) columns like `` ClaimDate '', use. Basically use this code: the problem was the insert had to be in possession of 39 Aptoide. Rows had a heap of email on the promo code column and 1 core will probably suffice is determine criteria., solution drop the indexes, insert the data has been inserted need! Store that much data does n't mean you should also keep your records 100! Five syscalls to handle large quantities of data, do not set index on... In less than an hour it will never stops truncate error when trying retrieve... ( log shipping ) required for this one table relates to many records a... Estimate of the time for the Accounting department, develop Buying Power Membership Software to reduce the cost! A single row could have many copies of a particular film ( in store... Grow tremendously the many variations SQL database is good but in case of EF it becomes very important the. But in case of EF it becomes very important were required same data Map reduce, Availability,,. The film_text table is created via a insert trigger on the promo code column 1... Wish to use for each of your server as well depending on how will you store 800 million records in database film table process! I may do in a table and you need to store relational data in the and... The columns are floats except for the Avis Car Rental Company I very! Problem was the insert command to add an Identity field and you need to insert 1... Thats needed in these two tables is about 2-3 million rows Hi Tom, we have with. ( for 1 million records via a insert trigger on the speed your! Carsales, containing 10,000,000 records in a table field and you have to do is determine the size...
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