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May29

SQL SERVER – User Defined Functions (UDF) Limitations

Pinal Dave
SQL Tips and Tricks
SQL Function
49 Comments

Why are stored procedures more flexible? Here are the User Defined Functions (UDF) limitations: fewer input parameters, no GETDATE(), one result set, and more.

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May28

SQLAuthority News – Author Visit – Meeting with Readers – Top Three Features of SQL SERVER 2005

Pinal Dave
SQL Tips and Tricks
Best Practices, SQLAuthority Author Visit
1 Comment

Over dinner in Las Vegas, two readers asked me to pick my top three features of SQL Server 2005 out of Microsoft’s top 30. Here is what I picked and why.

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May28

CTE Column Names: Rename Positions Without Moving Values

Pinal Dave
SQL Tips and Tricks
CTE, SQL Scripts, SQL Server
No Comments

CTE column names rename positions without moving values. Compare inner aliases, report names and a misleading reversed list.

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May27

Which SQL Server Client Driver to Use Now

Pinal Dave
SQL Tips and Tricks
Developer, SQL Connection, SQL Server, SQL Server Encryption
No Comments

Choose a SQL Server client driver by application stack: ODBC, current OLE DB, Microsoft.Data.SqlClient, or JDBC, then test security defaults.

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May27

SQL SERVER – 2005 Limiting Result Sets by Using TABLESAMPLE – Examples

Pinal Dave
SQL Tips and Tricks
SQL Function, SQL Random, SQL Scripts
13 Comments

TABLESAMPLE returns a random sample of rows by percent or row count. My examples show why the same query returns a different number of rows each time.

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May26

SQL SERVER – 2005 Replace TEXT with VARCHAR(MAX) – Stop using TEXT, NTEXT, IMAGE Data Types

Pinal Dave
SQL Tips and Tricks
SQL Datatype, SQL String
25 Comments

Is VARCHAR(MAX) big enough to hold TEXT? Yes. TEXT, NTEXT and IMAGE will be deprecated, so replace TEXT with VARCHAR(MAX) and use the new MAX data types.

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May26

SQL SERVER – 2005 Find Table without Clustered Index – Find Table with no Primary Key

Pinal Dave
SQL Performance
SQL Index, SQL Scripts
49 Comments

A query on sys.indexes to find every table without clustered index in a database, why heaps can slow you down, and how to pick a clustered key.

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Who We Are

Pinal Dave is an SQL Server Performance Tuning Expert and independent consultant with over 24 years of hands-on experience. He holds a Masters of Science degree and numerous database certifications.

Pinal has authored 19 books and 125 Pluralsight courses. To freely share his knowledge and help others build their expertise, Pinal has also written more than 5,800 database tech articles on his blog at https://blog.sqlauthority.com.

Pinal is also a CrossFit Level 1 Trainer (CF-L1) and CrossFit Level 2 Trainer (CF-L2).


Nupur Dave is a social media enthusiast and an independent consultant. She primarily focuses on the database domain, helping clients build short and long-term multi-channel campaigns to drive leads for their sales pipeline.


Shaivi Pinalkumar Dave is a book author and a women’s artistic gymnast.

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