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Writing a Good Technical Blog Post

May 1, 2008
Pinal Dave
SQL Tips and Tricks
Best Practices, Blogging, SQL Documentation, SQL Server

A technical blog post works when it solves one problem with tested code, clear assumptions, a readable result, and honest limits.

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SQL SERVER - Find Table in Every Database of SQL Server - Part 2

SQL SERVER – Find Table in Every Database of SQL Server – Part 2

April 30, 2008
Pinal Dave
SQL Tips and Tricks
SQL Scripts, SQL System Table

Part 2 of how to find a table in every database of SQL Server: this stored procedure loops through sys.databases and reads the Information_Schema view.

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SQL SERVER - Find Table in Every Database of SQL Server

SQL SERVER – Find Table in Every Database of SQL Server

April 29, 2008
Pinal Dave
SQL Tips and Tricks
SQL Scripts, SQL System Table

sys.tables only searches one database. My quick stored procedure finds a table in every database on the server and returns database, schema and table name.

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A library card catalogue drawer pulled open beside a long shelf of books

What Is an Index in SQL Server?

April 28, 2008
Pinal Dave
SQL Performance
Best Practices, SQL Index, SQL Performance, SQL Server

An index in SQL Server took one query from 33,517 reads to 66 on the same table. What clustered and nonclustered really mean, why every index is paid for on the way in, and how to find the ones nobody uses.

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Gouache painting: a long tan leather strap lies straight across a workbench with two brass studs a short gap apart near its middle

CHARINDEX Start Position: Find the Second Delimiter

April 27, 2008
Pinal Dave
SQL Tips and Tricks
SQL Function, SQL Scripts, SQL String

CHARINDEX start position finds the next delimiter. Guard a missing first match, preserve NULL, and extract empty fields without negative lengths.

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SQL SERVER - Optimization Rules of Thumb - Best Practices - Reader's Article

SQL SERVER – Optimization Rules of Thumb – Best Practices – Reader’s Article

April 26, 2008
Pinal Dave
SQL Performance
Best Practices, Database

Reader Praveen Barath adds his own query optimization tips to my rules of thumb: tune only working code, write repeated statements identically and more.

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SQL SERVER - Optimization Rules of Thumb - Best Practices

SQL SERVER – Optimization Rules of Thumb – Best Practices

April 25, 2008
Pinal Dave
SQL Performance
Best Practices, SQL Index

My optimization rules of thumb for a slow running query: read the query plan first, turn scans into seeks, fix bookmark lookups with a covering index and more.

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