I have written stored procedure which simply read each row one by one and update the some column in same table.SP is running fine in SQL Server 2000 and completed within 5 minutes (around 5 million rows)But same SP in SQL Server 2005, its taking around more than one hour (for same number of rows)Note: […]
2007-07-16
530 reads
Sometimes you need to calculate a running sum. Uses of this include adding a Month-To-Date column to a query of recent orders. I haven't seen anyone publish how to do this before (using this method).This query works by using the Row_Number() function and recursive query capability of SQL 2005.
2007-07-16
556 reads
Hope this is helpful to someone. This script will create a table and a stored procedure in the master database to gather and store table info for all datbases. The sp uses a temp table to hold the results returned by sp_spaceused, then transfers the information to the permanent table DatabaseTableSizes and adds the database […]
2007-07-16 (first published: 2006-10-11)
294 reads
2007-07-13 (first published: 2006-10-11)
135 reads
I have a requirement deploy transactional replication for an existing database which wasn't designed with replication in mind. I need to script/deploy based upon PK's, identity columns and timestamp columns. This query allows me to gather and save the information enabling me to generate the various scripts to replicate my database, replication through T SQL […]
2007-07-12 (first published: 2006-10-10)
808 reads
Returns database user information as a runnable script for the specified database. Great for restoring user access and permissions after a restore to a development server. Run this T-SQL script and copy the output to you favorite editor.Needed an easier way to script the user info than Enterprise Manager. Found a script by Clint Herring […]
2007-07-12
845 reads
In real world production tuning sometimes a "quick fix" is required. This script will generate index create scripts for any column ending ID which doesn't have an index. It's dirty and its quick but you might just be amazed by the results when run against your database!
2007-07-11 (first published: 2006-10-10)
513 reads
generates an runs a select statement to convert all th olumns of a certain datatype in apirticular table to another datatype:eg all columns of type int to varchar etc the sp takes three parameters namely the table name, source data type and detination data type generates a select query ad executes it eg: exec ConvertTableTypes […]
2007-07-10 (first published: 2006-10-10)
199 reads
This script lists all the foreign keys ,the referenced and the referencing tables , along with the column information.
2007-07-09 (first published: 2006-10-04)
329 reads
One line results sp_spaceused script. Also includes:DB Size= Data + DB Free Space + Transaction LogDB Data Size= Data + DB Free Space with no TLog DB Space Available= DB Free SpaceAll values are expressed in MB
2007-07-06
198 reads
By Steve Jones
It’s time for T-SQL Tuesday again and this is a great prompt to start...
How I used AI for this postChatGPT to generate images based on info specifically...
By ReviewMyDB
My T-SQL Tuesday #202 entry for Marlon Ribunal's invitation on memorable SQL Server outages....
Bonjour à tous, La semaine dernière, nous avons effectué une mise à niveau de...
Comments posted to this topic are about the item Adding new column with DEFAULT
I've got a web application for my side business. I've added a SQL Server...
Which number will the COUNT() return after executing the following statements:
DROP TABLE IF EXISTS #test; CREATE TABLE #test (id INT) INSERT INTO #test (id) SELECT * FROM GENERATE_SERIES(1, 3) AS gs ; ALTER TABLE #test ADD flag BIT CONSTRAINT DF_#test_flag DEFAULT 0; go UPDATE #test SET flag = 0 WHERE id = 1 UPDATE #test SET flag = 1 WHERE id = 2 INSERT INTO #test (id) VALUES (4) SELECT COUNT(*) FROM #test AS t WHERE flag = 0See possible answers