This script monitors your errorlogs every 3 hours for the past 3 hours. It notifies you by email for all types of errors and by pager for all critical errors with severity type > 16. Saves lot of time when you have to monitor several servers every day 24x7. Run this script on a dedicated […]
2002-08-09
1,221 reads
How can you compare two tables -- say, table A and table B and determine if their content is the same? Assuming that A and B have same structure, here's how:First, from set theory, recall that: If ((|A| = |B|) && |A U B| = |A|)) ====>>> A = B |A| = NUMBER of rows […]
2002-08-07
1,513 reads
I liked the script of using a table as an array. But Didn't liked the cursor in it so I rewrote the script so that it uses a memory table.I tested it in the Query analyzer and this one is indeed faster. So all the people out there yelling that a memory table is faster […]
2002-08-07
1,270 reads
We are constantly having to drop indexesfrom tables while repopulating the datain the table. We then have to rebuild the indexes as they were before dropping them.This requires writing a custom drop and recreate index script for each unique situation. If we tryto write scripts ahead of time as soon as the indexing schemechanges on […]
2002-08-06
982 reads
There is a un-documented stored procedure in msdb called sp_reassign_dtspackageowner. Unfortunately, this requires a package name and will only work on one at a time. If one developer is taking over for another, it may be helpful to change all of Bob's dts packages over to Jim. The following procedure will do just that.Not sure […]
2002-08-05
470 reads
this scripts presents the way to retrieve from a given result set the values given n where n determines that the Nth value,2N th values , 3Nth value will be returnedin the example n = 3 the returning rows are 22,32,42the given set is 20,21,22,30,31,32,40,41,42
2002-08-01
462 reads
This script is used to extract from a temprary table with long string all elements in an array formatlength of 15 chars is assumed.
2002-08-01
648 reads
Smooshing - The act of removing all non-alphanumeric characters from a string. We have found several areas of our application where we need to perform cleaning on strings. The following is a SQL function which can be used to remove any non-alphanumeric characters. To use the function create the script and then SELECT dbo.fn_SmooshIt('B?\RU.,C>}E') will […]
2002-07-26
564 reads
Instead of interactively running profiler, you can use built in stored procedures to obtain the same results. You can even schedule the execution of the trace and output to a designated output file.
2002-07-25
722 reads
This script will run through the foreign keys on tables to produce a hierarchy of the tables in a database.This is useful when you need to purge and repopulate test databases with foreign key contraints
2002-07-24
2,146 reads
When I put together the invitation for T-SQL Tuesday #202, I wasn't sure what...
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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