SQL Code Formatting is very important. Every SQL Server DBA has its own preference about formatting. I like to format all keywords to uppercase. Following are two online tools, which formats SQL Code very good. I tested following script with those tools and I found two of the tools worth mentioning here.
SQL SERVER – Script/Function to Find Last Day of Month
Following query will find the last day of the month. Query also take care of Leap Year. Script: DECLARE @date DATETIME SET @date='2008-02-03' SELECT DATEADD(dd, -DAY(DATEADD(m,1,@date)), DATEADD(m,1,@date)) AS LastDayOfMonth GO DECLARE @date DATETIME SET @date='2007-02-03' SELECT DATEADD(dd, -DAY(DATEADD(m,1,@date)), DATEADD(m,1,@date)) AS LastDayOfMonth GO ResultSet: LastDayOfMonth ----------------------- 2008-02-29 00:00:00.000 (1 row(s) affected)…
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SQL SERVER – ASCII to Decimal and Decimal to ASCII Conversion
In this blog post we will see how we can convert ASCII to Decimal and Decimal to ASCII. In simple words, we will see the decimal and ASCII conversion.
SQL SERVER – Math Functions Available in SQL Server
The large majority of math functions is specific to applications using trigonometry, calculus, and geometry. This is very important and it is very difficult to have all of them together at place.
SQL SERVER – 2005 Understanding Trigger Recursion and Nesting with examples
Trigger events can be fired within another trigger action. One Trigger execution can trigger even on another table or same table. This trigger is called NESTED TRIGGER or RECURSIVE TRIGGER. Nested triggers SQL Server supports the nesting of triggers up to a maximum of 32 levels. Nesting means that when…
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SQL SERVER – 2005 – SSMS Change T-SQL Batch Separator
I recently received one big file with many T-SQL batches. It was a very big file and I was asked that this file was tested many times and it can run one transaction. I noticed the separator of the batches is not GO but it was EndBatch. I have followed two options to run the whole batch in one transaction. Let us learn how to change T-SQL Batch Separator.
SQLAuthority News – Limited Edition T-Shirts Arrived
I have received quite a few request for SQLAuthority.com T-shirts. Every day I receive lots of emails and suggestions. Many readers have great suggestions and have helped to improve content. First of all I express my gratitude to all of you. Few of my loyal and enthusiastic readers will receive…
Read MoreSQL SERVER – Disable Index – Enable Index – ALTER Index
There are few requirements in real world when Index on table needs to be disabled and re-enabled afterwards. e.g. DTS, BCP, BULK INSERT etc. Index can be dropped and recreated. I prefer to disable the Index if I am going to re-enable it again. USE AdventureWorks GO ----Diable Index ALTER INDEX [IX_StoreContact_ContactTypeID]…
Read MoreSQL SERVER – Fix : Error 1205 : Transaction (Process ID) was deadlocked on resources with another process and has been chosen as the deadlock victim. Rerun the transaction
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…
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