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SQL SERVER – UDF – Remove Duplicate Chars From String

Pinal Dave
SQL, SQL Server, SQL Tips and Tricks
Duplicate Records, SQL Function, SQL Scripts, SQL String
Few days ago, I received following wonderful UDF from one of this blog reader. This UDF is written for specific purpose of removing duplicate chars string from one large string. Virendra Chauhan, author of this UDF is working as DBA in Lutheran Health Network. CREATE FUNCTION dbo.REMOVE_DUPLICATE_INSTR (@datalen_tocheck INT,@string VARCHAR(255))…
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SQLAuthority News – Best Articles on SQLAuthority.com

Pinal Dave
SQL, SQL Interview Questions and Answers, SQL Performance, SQL Server, SQL Tips and Tricks
Data Warehousing, Database, DBA, Software Development, SQL Backup and Restore, SQL Coding Standards, SQL Constraint and Keys, SQL Cursor, SQL DateTime, SQL Download, SQL Error Messages, SQL Function, SQL Humor, SQL Index, SQL Joins, SQL Scripts, SQL Server DBCC, SQL Server Security, SQL Stored Procedure, SQL Trigger, SQL Utility
SQL SERVER – Cursor to Kill All Process in Database SQL SERVER – Find Stored Procedure Related to Table in Database – Search in All Stored procedure SQL SERVER – Shrinking Truncate Log File – Log Full SQL SERVER – Simple Example of Cursor SQL SERVER – UDF – Function…
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SQL SERVER – Deterministic Functions and Nondeterministic Functions

Pinal Dave
SQL, SQL Server, SQL Tips and Tricks
SQL Function
Deterministic functions always returns the same output result all the time it is executed for same input values. i.e. ABS, DATEDIFF, ISNULL etc. Nondeterministic functions may return different results each time they are executed. i.e. NEWID, RAND, @@CPU_BUSY etc. Functions that call extended stored procedures are nondeterministic. User-defined functions that…
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SQL SERVER – Get Permissions of My Username / Userlogin on Server / Database

Pinal Dave
SQL
SQL Function, SQL Scripts, SQL Server Security, SQL Stored Procedure, SQL System Table

A few days ago, I was invited to one of the largest database company. I was asked to review database schema and propose changes to it. There was special username or user logic was created for me, so I can review their database. I was very much interested to know what kind of permissions I was assigned per server level and database level. I did not feel like asking their Sr. DBA the question about permissions.

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