Scripts

Technical Article

Split Delimited String (Updated: Multi char delimeters)

This UDF will take a delimited string and split it into a table. It has an identity field that is provided solely for uniqueness on the rows, but that can be removed to improve the speed, and optimize it. Sample call :dbo.fnSplit(, )@Data - the string to split apart@Delimiter - the seperator string, if DEFAULT […]

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2002-11-15

1,151 reads

Technical Article

DBA_EverywhereRun

Runs a SQL statement against each database based on a LIKE pattern for the name of the database.Features:* IsLike and IsNotLike parameters let you specify both a matching pattern and an exclusion pattern for the database name.* Script_Only mode generates the script of what the stored proc executes.  Especially useful for DDL statements.* List_Only mode […]

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2002-11-14

408 reads

Technical Article

sp_ServerStatus

Have you ever wanted to check that a server exists before using it. Here is a solution that use SQLDMO from within TSQL to get the status of a SQL Server service. It also works for 2000 instances. I have named it sp_ServerStatus for it to be based in master.This returns the status integer and […]

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2002-11-14

625 reads

Technical Article

sp_xml_PrepareDocumentFromColumn

Do you want to use OPENXML with an xml document in a table, this procdure will do it for you.Pass in the SQL that will return the column of data, it will return the document handle which can then be used with OPENXML.ExampleDROP TABLE TabCREATE TABLE Tab (doc ntext)INSERT INTO Tab VALUES ('' + REPLICATE('' […]

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2002-11-14

549 reads

Technical Article

Function and SP to find if file/directory exists

This function and stored procedure can be used to easily identify if a file, directory or parent directory exist. It wraps the functionality of xp_fileExist but gives easy access to the directory and parent directory exist values.To use it the function pass in the file or path and either 'IsFile', 'IsDir' or 'HasParentDir' it will […]

(3)

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2002-11-13

3,895 reads

Technical Article

INSTR Function

INSTR searches string for substring. --> position is an integer indicating the character of string where SQL Server begins the search. -->If position is negative, SQL Server counts and searches backward from the end of string. occurrence is an integer indicating which occurrence of string SQL Server should search for. The value of occurrence must […]

(2)

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2002-11-12

1,379 reads

Technical Article

sp_kill

This stored proc has helped me a lot when I needed to restore db, reconfigure replication, and do other database jobs. SQL server KILL command can only act on a single spid. This sp compiles KILL commands in a cursor to kill a group of spids based on database name, login name, host machine name […]

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2002-11-11

6,225 reads

Technical Article

Converting Binary data to a Hex Character String

Occassionally you might want to convert a binary number into some printable string.   This would allow you display some meaning fully numbers hex characters, instead of just some unreadable garbage.  This script takes a binary field, of basically any length, and converts it, character by character, to a character string.  The character string will contain […]

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2002-11-07

486 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