All Articles - SQL Authority with Pinal Dave

SQL SERVER – Transaction and Local Variables – Swap Variables – Update All At Once Concept

October 20, 2008

SQL Scripts, SQL Server, SQL Server Security, SQL Transactions

This article is inspired from two sources. Let us learn today about how to swap variables by updating everything at once concepts.

1) My year old article – SQL SERVER – Effect of TRANSACTION on Local Variable – After ROLLBACK and After COMMIT
2) Discussion with SQL Server MVP – Jacob Sebastian – SQLAuthority News – Author Visit – SQL Hour at Patni Computer Systems

I usually summarize my article at the end, but this time let me summarize first and we will understand the article next.

SQL SERVER – Introduction to CLR – Simple Example of CLR Stored Procedure

October 19, 2008

Pinal Dave

SQL, SQL Performance, SQL Server, SQL Tips and Tricks

CLR, Software Development, SQL Scripts, SQL Stored Procedure, SQL Utility

CLR is abbreviation of Common Language Runtime. In SQL Server 2005 and later version of it database objects can be created which are created in CLR. Stored Procedures, Functions, Triggers can be coded in CLR. CLR is faster than T-SQL in many cases. CLR is mainly used to accomplish task…

SQL SERVER – Retrieve – Select Only Date Part From DateTime – Best Practice – Part 2

October 18, 2008

Pinal Dave

SQL, SQL Performance, SQL Server, SQL Tips and Tricks

Best Practices, SQL DateTime, SQL Function, SQL Scripts

A year ago I wrote post about SQL SERVER – Retrieve – Select Only Date Part From DateTime – Best Practice where I have discussed two different methods of getting datepart from datetime. Method 1: SELECT DATEADD(D, 0, DATEDIFF(D, 0, GETDATE())) Method 2: SELECT CONVERT(VARCHAR(10),GETDATE(),111) I have summarized my post…

SQL SERVER – Get Common Records From Two Tables Without Using Join

October 17, 2008

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Joins, SQL Scripts

I really enjoy answering questions which I receive from either comments or Email. My passion is shared by SQL Server Expert Imran Mohammed. He frequently SQL community members by answering their questions frequently and promptly. Sachin Asked: Following is my scenario, Suppose Table 1 and Table 2 has same column…

SQLAuthority News – Ahmedabad SQL Server User Group Meeting – October 2008

October 17, 2008

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks, SQLAuthority News

MVP, SQL User Group, SQLAuthority Author Visit

Tomorrow is third Saturday of the Month and every third Saturday we have Ahmedabad User Group Meeting. Our user group is growing and getting interesting. Everybody who attended last months User Group (UG) Meeting realized that how important it is to attend UG meetings. UG President Jacob Sebastian (SQL Server…

SQL SERVER – Downgrade Database to Previous Version

October 16, 2008

Pinal Dave

SQL, SQL Performance, SQL Server, SQL Tips and Tricks

Database, Software Development

Today I am writing on the topic which I do not like to write much. I enjoy writing usually positive or affirmative posts. Recently I got email from two different DBA where they upgraded to SQL Server 2005 trial version on their production server and now as their trial version…

SQL SERVER – Introduction and Example of UNION and UNION ALL

October 15, 2008

Pinal Dave

SQL, SQL Performance, SQL Server, SQL Tips and Tricks

SQL Joins, SQL Scripts, SQL Union clause

It is very much interesting when I get request from blog reader to re-write my previous articles. I have received few request to rewrite my article SQL SERVER – Union vs. Union All – Which is better for performance? wi.th examples. I request you to read my previous article first…

SQL SERVER – Get Numeric Value From Alpha Numeric String – UDF for Get Numeric Numbers Only

October 14, 2008

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Function, SQL Scripts, SQL String

SQL is great with String operations. Many times, I use T-SQL to do my string operation. Let us see User Defined Function, which I wrote few days ago, which will return only Numeric values from AlphaNumeric values. CREATE FUNCTION dbo.udf_GetNumeric (@strAlphaNumeric VARCHAR(256)) RETURNS VARCHAR(256) AS BEGIN DECLARE @intAlpha INT SET @intAlpha =…

SQLAuthority News – Book Review – Pro SQL Server 2005 Replication (Definitive Guide)

October 13, 2008

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks, SQLAuthority News

Database, DBA, SQL Backup and Restore, SQL Data Storage, SQL Replication, SQLAuthority Book Review

Pro SQL Server 2005 Replication (Definitive Guide) (Hardcover) by Sujoy Paul (Author) Link to Amazon Quick Review: This is good book for any novice developer to start in the world of database replication implementation and maintenance. Replication is important part of highly availability and one book covers all the concept…

SQLAuthority News – SQL Injection – SQL Joke, SQL Humor, SQL Laugh

October 12, 2008

Pinal Dave

SQLAuthority News

Best Practices, Database, DBA, SQL Humor, SQL Server Security

It has been a long time since I wrote about SQL Humor. Following is the cartoon sent to me by many (more than 10 times) so far by many users. I did not publish it till now as it has been quite popular and I believed many people had already seen it. However, recently by one of the quite big personality asked me why I have not included this in my blog, so I have finally decided to include that in my blog. Let us read humor about SQL Injection.