sql server - Join tables in two databases make query slow? is better to partition db? - Database Administrators Stack Exchange
Next, indexing starts to come into play - depending on the width of the tables and the numbers of fields, you may want to add indexes on the fields you're using for the join. Q: If I join two tables in the same database with the above query, why is it slow? A: For starters, you're not using a WHERE clause, so SQL Server has to build the complete result set, merging both tables together
Microsoft SQL Server interview questions for DBA and database developer positions: Narayana Vyas Kondreddi's home page
How to determine the service pack currently installed on SQL Server? The global variable @@Version stores the build number of the sqlservr.exe, which is used to determine the service pack installed. Check out BEGIN TRAN, COMMIT, ROLLBACK, SAVE TRAN and @@TRANCOUNT What is an extended stored procedure? Can you instantiate a COM object by using T-SQL? An extended stored procedure is a function within a DLL (written in a programming language like C, C++ using Open Data Services (ODS) API) that can be called from T-SQL, just the way we call normal stored procedures using the EXEC statement
Related Categories: SQLServer, SQLServer 2005, SQLServer 2008, SQLServer 2008 R2, SQLServer 2012, Working With Data Comments (1) Trackbacks (0) Leave a comment Trackback Dheeraj Sharma December 11, 2014 at 11:07 am Reply Very good sir thank you.Before coming this site, I thought it would very tough but you made too easy for me.Is it possible to update in both table and also delete with join. Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using your WordPress.com account
in the last query you can se FG3 boundary is 2010-12-31, so you can merge using this value: If you query the partitions, FG3 is not used anymore: Now you can remove FG3 if you want. Conclusion You can create a partitioning strategy in very large tables in order to simplify administration, enhance performance, create an archiving strategy to purge out data from the database and manage partitions merging or splitting them to provision space for future data
Select the desired output options of Script to file, Script to Clipboard or Script New Query Window.3 Clicking on Finish button will generate a review screen containing the required objects along with script generating data. i have a procedure for this which needs a table in your DB which stores information about the other server and the tables which we going to send over two servers
SQL Server - Copy data from one database to another - identical tables, new identity values needed - Database Administrators Stack Exchange
Is there a way to copy the data from one database to another at the same time giving the copy data new identity values that also are reflected in the foreign key values of referenced tables? i.e. Pick the ident values you want to change (for example if you have lookup tables that are the same for both DBs then you probably want to leave them the same.) When you move your data add the value you selected in step 1 to the idents value you want to change as you move them
SQL Server: Select query from one database and insert into a table in another database
There are obviously many ways to accomplish that, including elaborate UPDATE queries with anywhere from one to numerous REPLACE functions (even within REPLACE functions). I have a simple query I am wanting to insert into a VBSCRIPT .VBS file to run a query against a DB and output the source to a CSV file locally on the computer then email the document to a specific email address with out outlook
SELECT column1 FROM table1 INTERSECT SELECT column1 FROM table2 If you want in the output both column1 and column2 from table1 which has common columns1 in both tables. SELECT column1, column2 FROM table1 WHERE column1 IN ( SELECT column1 FROM table1 INTERSECT SELECT column1 FROM table2 ) To do this, make sure your column1 is unique and do not have duplicate records
Reader Level: Article Copy Table With Data From One Database to Another in SQL Server 2012 By Rohatash Kumar on Dec 27, 2012 Copy Data one database to other in SQL, Generate SQL Server Script, SQL Select into statement, SQL Server 2012, This article demonstrates how to copy a table with data from one database to another in a SQL Server database
tsql - Doing a join across two databases with different collations on SQL Server and getting an error - Stack Overflow
Fact of the matter is we use all "normal" latin characters that English speaking people would consider the entire alphabet and this whole thing will be out of use in a few months so a bandaid is all I need. Problem is that besides not knowing about JOINs he also seems to have had a fetish for multiple databases and surprise, surprise they use different collations
How do you join tables from two different SQL Server instances in one SQL query - Stack Overflow
Join two tables n a view, take rows from one and turn into columns Hot Network Questions Group Theory: group under the composition multiplication modulo p Have the ending credits of Rambo III been changed? Famous eater
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