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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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How to close all active database connections in one shot?

While trying to restore SQL Server database or do any other actions which require exclusive database access you may face with the following error:Exclusive access could not be obtained because the database is in use.

Forrards
March 31, 2023
Consequences of wrong database autogrowth settings

In this article we`re going to address the question about autogrowth settings of the database. To be more precise we`re going to talk about database files settings and their autogrowth settings. From the first glance this seems to be an easy question. But in reality it may cause serious issues in mission critical data systems and even downtime. The goal of the article is to decide whether to set the growth in percents or megabytes and what should be the size of the file growth.

Forrards
March 31, 2023

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