Scripts

Technical Article

SPLIT function

This is a port of the SPLIT function from Perl (or VBScript). It works the same way: pass a string anda separator, up to 4 characters long (you can change this),and the function returns a table with the elements.This version trims leading and trailling spaces of the elements, just for convenience.Example:SELECT    strvalFROM    master.dbo.SPLIT('a and b', […]

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2003-06-13

244 reads

Technical Article

Search all objects in all DBs for code fragments

This procedure allows you to search through all objects in all databases on your server for words/phrases in your object code.  Very handy for cases in which, for example, a column name on a table has been changed and you need to search your entire server for any sprocs/views/etc. that might reference it.Syntax: [EXEC] sp_FindCodeStr […]

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2003-06-10

287 reads

Technical Article

detect different datatypes

-  a simple and handy script that finds what differences might exists between the fields in your database that have the same name.I was wondering why my execution plans where different  for tables with the same  field names and the same indexes,statistics etc... because the syetem was converting my fields in the WHERE statement. -  […]

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2003-06-08

123 reads

Technical Article

Full, diff and tlog backups based on recovery mode

    This a script which creates stored procedures that can be executed adhoc or set as sql agent jobs to check the recovery status and generate full, differential or transaction log backupf for each database if the database recovery status is set to full.  We have terabytes of data and set all production databases […]

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2003-06-06

957 reads

Technical Article

blocked  and blocker  spid and details

2 steps:step 1 => create   a table in master database called BlockCheckstep 2 =>  create the stored procedure in master  called  BLOCK_CHECK @database_name varchar(20)What SP  does:-    it gets the  spid that is blocked  + info about it (like what it does  at the moment  it is blocked)-    it gets the spid  that  acts as a […]

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2003-06-05

751 reads

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Question of the Day

ORDER BY alias

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) + 1
Which of the following queries produces the expected ordering and why? (Select all correct)

See possible answers