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What is the distinction between Clustered and Non-Clustered Indexes in SQL Server?

Indexes area unit wont to speed-up question method in SQL Server, leading to high performance. They’re just like textbook indexes. In textbooks, if you wish to travel to a selected chapter, you visit the index; notice the number of the chapter and go on to that page. While not indexes, the method of finding your required chapter would are terribly slow. The same applies to indexes in databases. While not indexes, software should undergo all the records within the table so… Continue Reading

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Everything about locking in SQL Server

Locking is crucial to palmy SQL Server transactions process and it’s designed to permit SQL Server to figure seamlessly in an exceedingly multi-user setting. Lockup is that the approach that SQL Server manages dealing concurrency. Basically, locks square measure in-memory structures that have house owners, types, and therefore the hash of the resource that it ought to defend. A lock as associate in-memory structure is ninety six bytes in size. To understand higher the lockup in SQL Server, it’s vital to know that lockup is… Continue Reading

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Restore a SQL Server information backup to associate older version of SQL Server

If there was have to be compelled to restore a SQL Server information backup to associate older version of SQL Server there was “greeting” with error messages on the lines of And the tried backup restore would fail. The reason for this behavior is that by default SQL Server doesn’t permit restoring… Continue Reading

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How to recover one table from a SQL Server info backup

When you raise a DBA what feature they’d most prefer to see additional to the SQL Server recovery practicality, they’re going to doubtless say: “The ability to recover one table from an info backup”. Of course, it’s potential to retrieve the info of a selected table from an info backup; however you cannot mate while not restoring the complete backup. Why do DBA’s wish this? Well, the explanations area unit simple: More usually than not, the remainder of the info is ok, except that… Continue Reading