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Basit's SQL Server Tips

Basit Farooq is a Lead Database Administrator, Trainer and Technical Author. He has more than a decade of IT experience in development, technical training and database administration on Microsoft SQL Server platforms. Basit has authored numerous SQL Server technical articles, and developed and implemented many successful database infrastructure, data warehouse and business intelligence projects. He holds a master's degree in computer science from London Metropolitan University, and industry standard certifications from Microsoft, Sun, Cisco, Brainbench, Prosoft and APM, including MCITP Database Administrator 2008, MCITP Database Administrator 2005, MCDBA SQL Server 2000 and MCTS .NET Framework 2.0 Web Applications.

Get performance statistics for queries and query plans that are cached by SQL Server for faster query execution

You can use the following two DMVs to give you that information:

  • sys.dm_exec_cached_plans – You can use this dynamic management view to see information about the plans that are cached by SQL Server, along with other information such as cached query text, the amount of memory taken by cached plans,…

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0 comments, 348 reads

Posted in Basit's SQL Server Tips on 17 February 2014

Transact-SQL (T-SQL) query to return the status and detail information for all SQL Server Full-Text Catalogs on an SQL Server instance

We have about 200 user databases in which we have the full-text search enabled and these databases contain several tables. As part of my daily checks, I have to check the status of all full-text catalogs, to ensure that all full-text catalogs are successfully populated without errors. However, to check… Read more

0 comments, 544 reads

Posted in Basit's SQL Server Tips on 27 January 2014

Get SQL Server Physical Cores, Physical and Virtual CPUs, and Processor type information using Transact-SQL (T-SQL) script

Today, I received email from one of my blog follower asking if there is any DMV or SQL script, which he can use to find the following information about the processors that are available to and consumed by SQL Server:

  • Total number of physical CPUs
  • Total number of physical cores…

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4 comments, 468 reads

Posted in Basit's SQL Server Tips on 22 January 2014

Cumulative Update # 8 for SQL Server 2012 Service Pack 1 is now available!

The 8th cumulative update (CU8) for SQL Server 2012 Service Pack 1 is now available for download at the Microsoft site here.

CU8 contains all the SQL Server 2012 SP1 hotfixes which have been available since the initial release of SQL Server 2012 SP1.


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0 comments, 251 reads

Posted in Basit's SQL Server Tips on 22 January 2014

Monitor availability groups and availability replicas status information using T-SQL

Just a quick blog post to share a query, which I wrote to monitor availability groups and replicas and the associated databases:

WITH [AvailabilityGroupReplicaCTE]
AS (
	SELECT dc.[database_name]
		,dr.[synchronization_state_desc]
		,dr.[suspend_reason_desc]
		,dr.[synchronization_health_desc]
		,dr.[replica_id]
		,ar.[availability_mode_desc]
		,ar.[primary_role_allow_connections_desc]
		,ar.[secondary_role_allow_connections_desc]
		,ar.[failover_mode_desc]
		,ar.[endpoint_url]
		,ar.[owner_sid]
		,ar.[create_date]
		,ar.[modify_date]
		,dr.[recovery_lsn]
		,dr.[truncation_lsn]
		,dr.[last_sent_lsn]
		,dr.[last_sent_time]
		,dr.[last_received_lsn]
		,dr.[last_received_time]
		,dr.[last_hardened_lsn]
		,dr.[last_hardened_time]
		,dr.[last_redone_lsn]
		,dr.[last_redone_time]…

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1 comments, 253 reads

Posted in Basit's SQL Server Tips on 20 January 2014

SQL Server monitoring and optimization

To optimize the performance of your database, you need to monitor and tune. You determine the performance baseline, how SQL Server is currently performing, through monitoring. Your optimization process includes making changes and then monitoring their effect. This means adjusting two overlapping performance areas, that is, database server performance and… Read more

0 comments, 277 reads

Posted in Basit's SQL Server Tips on 18 December 2013

Nine T-SQL best practices

SQL Server databases are the backbone of many enterprise applications, and good Transact-SQL (T-SQL) code is the best way to maximize SQL Server performance. Therefore, it is important for SQL developers to follow T-SQL best practices and guidelines when writing code. This article highlights some common T-SQL best practices to… Read more

2 comments, 446 reads

Posted in Basit's SQL Server Tips on 16 December 2013

How to work around Azure database migration limitations

Microsoft Windows Azure SQL Database, commonly known as SQL Azure, is a relational database in the cloud that is part of the Windows Azure platform. Although Windows Azure SQL Database is built on the SQL Server platform, there are differences you should consider when performing an Azure SQL Database migration. Read more

0 comments, 261 reads

Posted in Basit's SQL Server Tips on 14 December 2013

Understanding SQL Server Query Optimization – Part 3

A critical part of database design and management is index design. Index design involves balancing space requirements and the resource overhead required to keep indexes up-to-date compared to the performance improvements resulting from the indexes. You can either use dynamic management functions (DMFs) and views (DMVs) or Database Engine Tuning… Read more

0 comments, 237 reads

Posted in Basit's SQL Server Tips on 14 December 2013

Understanding SQL Server Query Optimization – Part 2

An execution plan is the sequence of operations SQL Server query optimizer performs to run the statements. The SQL Server query optimizer creates an execution plan before it actually runs a query. As per Microsoft Book Online, “Execution plans graphically display the data retrieval methods chosen by the SQL Server… Read more

0 comments, 302 reads

Posted in Basit's SQL Server Tips on 14 December 2013

SQL Server Encryption Options

Many database servers store confidential data, which must be protected from unauthorized access when it’s transmitted across the network and stored on the server. SQL Server provides support for encrypted connections, encrypting data, encrypting database and for encrypted storage.

Click here to read full article on SSWUG.org


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2 comments, 282 reads

Posted in Basit's SQL Server Tips on 14 December 2013

Bulk Transfers: Some guidelines

Bulk transfers are a common way of importing large amounts of data into, or exporting large amounts of data out of, SQL Server databases.  SQL Server supports bulk transfers run from an operating system command line or the SQL Server command processor. When performing bulk transfers, you must consider the… Read more

0 comments, 228 reads

Posted in Basit's SQL Server Tips on 14 December 2013

Understanding Triggers

A trigger is a specialized stored procedure that activates (executes) in response to an event. There are two basic trigger types, ie data manipulation language (DML) trigger and data definition language (DDL) trigger, based on the type of event that causes them to fire. For example, a data manipulation language… Read more

0 comments, 217 reads

Posted in Basit's SQL Server Tips on 14 December 2013

Possible ways to secure SSIS Packages

SQL Server Integration Services (SSIS) security is based around several layers that provide a rich and flexible security environment. These layers of security include the use of digital signature, package properties, SQL Server database roles and operating system permissions.

Checkout my article here, in which I gave an overview… Read more

0 comments, 223 reads

Posted in Basit's SQL Server Tips on 14 December 2013

Back to basics: Transact-SQL programming fundamentals – (Part 2)

In the first of this three-part series, you will learned how to use scripts and batches, and basics of T-SQL variables.

Checkout the part-2 of this article series here, you will learn about Transact-SQL control-of-flow language, including BEGIN…END, IF…ELSE, CATCH, WHILE, BREAK, CONTINUE, RETURN, and WAITFOR.

This article is… Read more

0 comments, 570 reads

Posted in Basit's SQL Server Tips on 22 October 2013

Back to basics: Transact-SQL programming fundamentals – (Part 1)

SQL Server users use Transact-SQL programming to create sets of statements for ad-hoc execution. The aim of the Transact-SQL programming is to carry out its transformation objectives by using: Command statements, Variables, and Control-of-flow statements. In this context, a command statement is any executable statement. This includes Transact-SQL commands, stored… Read more

0 comments, 489 reads

Posted in Basit's SQL Server Tips on 22 October 2013

Manage your SQL Server databases with SQL DMVs

Microsoft ships SQL Server with several built-in tools that database administrators (DBAs) can use to manage their SQL Server environment. With SQL Server 2005, Microsoft introduced SQL dynamic management views, or DMVs, as well as dynamic management functions, or DMFs. They provide plenty of information about server and database state,… Read more

0 comments, 308 reads

Posted in Basit's SQL Server Tips on 17 September 2013

Understanding SQL Query Optimization – (Part 1)

Most of the activity of the database server is related to queries. Because of this, query optimization is often a major concern. SQL Server tries to optimize query performance itself, but its effectiveness in this may be influenced by several problems. Indexes and poorly designed queries can lead to unacceptable… Read more

0 comments, 362 reads

Posted in Basit's SQL Server Tips on 17 September 2013

Guide to SQL Server Table Indexes – (Part 4)

Checkout the part-4 of my five part article series on Guide to SQL Server Table Indexes here, in which you will learn about index design, and the suitable candidates for index key and non-key columns. I this article, you will also learn about various SQL Server indexes options, such… Read more

0 comments, 234 reads

Posted in Basit's SQL Server Tips on 17 September 2013

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