Scripts

Technical Article

Find the Nth Occurrence of a Character in a String

T-SQL's CHARINDEX() function is a useful for parsing out characters within a string.  However, it only returns the first occurrence of a character.  Oftentimes one needs to locate the Nth instance of a character or a space, which can be a complicated task in standard T-SQL.  This function I wrote, imaginatively named CHARINDEX2(), allows one […]

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2002-09-27

32,631 reads

Technical Article

GET COUNT(*) from 1 table

IN a scenario where the user would like to retrieve the Count(*) from a table without any condition, in that case this query will workselect count(*) from 'Suppose product is the table,if the product table is light then its ok but if it contains a huge data, then this query can be used.select max(rowcnt) from […]

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2002-09-26

350 reads

Technical Article

Grant permissions to a role

A very simple script that will first create a role (if it does not exist yet) and then grant full permissions on tables, views and stored procedures to the newly created role. Of course, you can add any filtering (i.e. grant permissions only for tables beginning with "abc") or grant partial permissions (SELECT or DELETE […]

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2002-09-26

1,148 reads

Technical Article

Random string and random number generators

The first part will create 2 stored procedures with self-explanatory names. The second is a standalone SQL that may be used in any stored procedure, script or DTS package.The generated string does not have any spaces and include only lower-case letters. To include anything else just change the boundaries for ASCII codes in the script.The […]

(1)

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2002-09-26

577 reads

Technical Article

Find circular references in single table

The objective is to find circular references in a single table related to itself. The script deals with a sample table Skills that have a SkilGUID (primary key) field and a SkilParentGUID field which is a foreign key to the record's parent from the same table. The number of levels in the hierarchy is not […]

(3)

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2002-09-24

1,115 reads

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Question of the Day

RegEx Functions III

If I run the REGEXP_LIKE() function, does it match values in a case-sensitive fashion, or a case-insensitive fashion by default.

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