Fix : Error 1205 : Transaction (Process ID) was deadlocked on resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
SQL SERVER – Fix: Error 130: Cannot perform an aggregate function on an expression containing an aggregate or a subquery
Fix: Error 130: Cannot perform an aggregate function on an expression containing an aggregate or a subquery Following statement will give the following error: “Cannot perform an aggregate function on an expression containing an aggregate or a subquery.” MS SQL Server doesn’t support it. USE PUBS GO SELECT AVG(COUNT(royalty)) RoyaltyAvg…
Read MoreSQL SERVER – Binary Sequence Generator – Truth Table Generator
Run following script in query editor to generate truth table with its decimal value and binary sequence. The truth table is 512 rows long. This can be extended or reduced by adding or removing cross joins respectively. Script: USE AdventureWorks; DECLARE @Binary TABLE ( Digit bit) INSERT @Binary VALUES (0)…
Read MoreSQL SERVER – DBCC commands List – documented and undocumented
Database Consistency Checker (DBCC) commands can gives valuable insight into what’s going on inside SQL Server system. DBCC commands have powerful documented functions and many undocumented capabilities. Current DBCC commands are most useful for performance and troubleshooting exercises. To learn about all the DBCC commands run following script in query…
Read MoreSQL SERVER – SQL Joke, SQL Humor, SQL Laugh – Photo
Pay attention to the last line of the ingredients. I found this entry at Worse Than Failure. I found it humorous. Reference : Pinal Dave (https://blog.sqlauthority.com)
Read MoreSQL SERVER – MS TechNet : Storage Top 10 Best Practices
This one of the very interesting article I read regarding SQL Server 2005 Storage. Please refer original article at MS TechNet here. Understand the IO characteristics of SQL Server and the specific IO requirements / characteristics of your application. More / faster spindles are better for performance. Try not to…
Read MoreSQL SERVER – UDF – Function to Parse AlphaNumeric Characters from String
Following function keeps only Alphanumeric characters in string and removes all the other character from the string. This is very handy function when working with Alphanumeric String only. I have used this many times. CREATE FUNCTION dbo.UDF_ParseAlphaChars ( @string VARCHAR(8000) ) RETURNS VARCHAR(8000) AS BEGIN DECLARE @IncorrectCharLoc SMALLINT SET @IncorrectCharLoc…
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