For performance concerns or when the need arises to do some data manipulation/updates/inserts or any other code that requires a loop, use a table variable instead of the ever expensive cursor.
2003-04-01
531 reads
Finds the last available backup for a specified database (local or remote server), then restores the backup onto an existing database on the local server.The script will kill all non-system processes in the destination database to allow the script to be scheduled at night regardless is anyone is still connected.The logical and physical names are […]
2003-03-31
785 reads
Some time you need to know only Date without Time.This is simple function that allows you truncate datetime field to date only.This function can help you to construct dynamic T-SQL for select date period. P.S. Thanks for ispaleny! Conversion only for real not enough! It is necessary convert to real that correct errors near the […]
2003-03-28
424 reads
Modified the sp_who2 proc provided by Microsoft. This proc takes a dbname or dbid for input, and lists current processes in that database. If no database is provided, the current database is used.
2003-03-28
204 reads
This is a sp_password enhanced by Dmitri Bobkov (see http://www.sqlservercentral.com/scripts/contributions/718.asp) and re-enhanced with a small changes from SQL2kSP3.For SQL Server in Mixed Authentication mode this stored procedure helps to validate users password. Currently this procedure checks for the next requrements: password must have length at least 8 characters plus among them at least one digit […]
2003-03-27
481 reads
User Defined function to parse a string with known delimiters and return back the substing in the position.Takes string,delimiter and position as parameters. Can be used directly in TSQL code.
2003-03-27
341 reads
When you want to export a table structure to T-SQL, everyone always points you to Enterprise Manager, or a script that calls BCP.Sometimes, a developer either doesn't have access to those tools, or just doesn't want to use them (like me) out of spite.I made this T-SQL because it was educational, and noone else seems […]
2003-03-26
4,068 reads
This procedure helps to find the status of all the trigger (i.e Enabled/Disabled) for a given database. If no database name is provided then it uses the default database.This script is tested on SQL Server 7.0/2000 only.
2003-03-25
306 reads
This stored procedure shrinks all database files within the current database, including the unused portion of transaction log. This procedure is especially useful for multi-file databases.
2003-03-24
219 reads
This script reindexes all tables in all databases. Execute the script with the desired fill factor and it will do the rest. There is an option to exclude databases from the reindex. This makes it easy to reindex all newly created databases. Great for the Development environment when Developers are creating database all the time.
2003-03-23
1,998 reads
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There is a table tmp_tab:
CREATE TABLE tmp_tab ( id int, val int );
INSERT INTO tmp_tab VALUES (1, 1), (2, NULL), (3, 3), (4, 4), (5, 5);You want to order the rows ids by the following expression:
ISNULL(val, id) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers