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Dec11

SQL SERVER – Microsoft Synchronization Services for ADO.NET v2.0 CTP1 Refresh

Pinal Dave
SQL Tips and Tricks
SQL Download
No Comments

The CTP1 Refresh of Microsoft Synchronization Services for ADO.NET v2.0 is out. It syncs data between a local store on laptops or devices and a central server.

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Dec10

A Throwaway Virtual Machine for SQL Server Testing

Pinal Dave
SQL Tips and Tricks
SQL Server, SQL Server Installation, Testing, Virtualization
1 Comment

Use a Throwaway Virtual Machine to test SQL Server setup, patches, and failures with snapshots and safe rollback away from shared servers.

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Dec9

SQL SERVER – ACID (Atomicity, Consistency, Isolation, Durability)

Pinal Dave
SQL Tips and Tricks
ACID, Database, DBA, Software Development
71 Comments

ACID stands for Atomicity, Consistency, Isolation and Durability, the four properties every reliable database needs. Each one explained in a line or two.

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Dec8

SQL SERVER – Generic Architecture Image

Pinal Dave
SQL Tips and Tricks
Data Warehousing, Database, Software Development, SQL Server, SQL Server Architecture
20 Comments

A Generic Architecture image of SQL Server I found on Wikipedia, with a short note on physical storage in MDF and LDF files and how data is grouped logically.

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Dec7

SQL SERVER – FIX : Error : 3702 Cannot drop database because it is currently in use.

Pinal Dave
SQL Tips and Tricks
SQL Error Messages, SQL Scripts
63 Comments

Error 3702 says you cannot drop database because it is in use. Switch to master, find other connections and drop it safely with this fix.

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Dec6

SQL SERVER – 2005 – Dynamic Management Views (DMV) and Dynamic Management Functions (DMF)

Pinal Dave
SQL Tips and Tricks
SQL DMV, SQL Function
9 Comments

Dynamic Management Views and Management Functions show what SQL Server is doing right now. The two scopes, the main categories and where to start.

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Dec5

SQL SERVER – UDF – Remove Duplicate Chars From String

Pinal Dave
SQL Tips and Tricks
Duplicate Records, SQL Function, SQL Scripts, SQL String
3 Comments

A reader, Virendra Chauhan, shared a UDF that removes duplicate chars from one large string. Here is his REMOVE_DUPLICATE_INSTR function and how to call it.

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Pinal Dave

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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 120 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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