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SQL Server 2014: ONLINE operation on a single partition of partitioned object

Here I continue a series of articles devoted to new options in SQL Server 2014. Today let's review another useful operation - ONLINE rebuilding some partitions of partitioned objects (tables or indexes).First let me remind you that some versions of SQL Server (Enterprise, Evaluation, Developer) allow you to perform a number of operations in ONLINE mode. The main advantage of this mode is that we can create / change index and keep on working with the data (including changing these data) at the same time.This happens due to the fact that schema lock (Sch-M) is not retained throughout creation / changing process. Here you can find a more complete list of options supported by different versions:

Forrards
March 30, 2023
SQL Server Enterprise Edition Advanced Scanning

It is widely known that SQL Server Enterprise Edition contains a range of improvements, which under certain conditions allow you to perform operations in a more optimal way in comparison with Standard Edition. One of these improvements is Advanced Scanning, which allows multiple scans to share one physical read from the disk. You can also come across another name of this feature - Merry-go-Round Scan.

Forrards
March 30, 2023
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SQL Server issue: switching partitions using the parameter with enabled replication

It’s quite an unpleasant thing that we had to face once. There was a working script, which had been functioning for a long time and did not cause any problems until a need to replicate a few directories...But let’s get into the details step by step:First of all, we create the partition function and a scheme to demonstrate very unexpected behavior of SQL Serverset nocount on;

Forrards
March 30, 2023
Database migration from on-premises Microsoft SQL Server to Azure SQL managed instance via backup/restore

This guide describes the process of database migration from Microsoft SQL Server on-premises to Azure SQL managed instance.

Anna
March 30, 2023

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