indexes Archives - {coding}Sight

SQL Server Resumable Index: Is it good for you?

Carla Abanes — Tue, 07 Sep 2021 05:02:38 +0000

SQL 2017 introduced the ability to pause and resume index rebuild operations during database maintenance. This feature offers more flexibility to database administrators as it allows them to choose between offline and online reindexing along with pausing and resuming the index rebuild whenever needed. What is Resumable Index in SQL Server? Before the release of …

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How to Show List of Indexes in SQL Server using Stored Procedure

Alejandro Cobar — Mon, 16 Aug 2021 08:54:37 +0000

As SQL Server DBAs, we’ve heard that index structures can dramatically improve the performance of any given query (or set of queries). Still, there are certain details that many DBAs overlook, like the following: It’s very important to keep in mind that the system view that holds this particular metadata gets wiped every time the …

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Hash What? Understanding Hash Indexes

Philipp Zhenov — Fri, 11 Jun 2021 09:40:38 +0000

Hash indexes are an integral part of databases. If you’ve ever used a database, chances are that you have seen them in action without even realizing it. Hash indexes differ in work from other types of indexes because they store values rather than pointers to records located on a disk. This ensures faster searching and …

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Clustered and Non Clustered Index: 7 Top Points Explained

Edwin Sanchez — Tue, 18 May 2021 10:46:14 +0000

Indexes are speed-boosters in SQL databases. They can be clustered or non-clustered. But what does it mean and where should you apply each? I know this feeling. I’ve been there. First-timers are often confused about which index to use on which columns. However, even experts need to think this issue through before making a decision, and …

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3 Methods to Rebuild All Indexes for All Tables with T-SQL in SQL Server Database

Nisarg Upadhyay — Fri, 26 Mar 2021 10:36:49 +0000

There are several methods of how to rebuild all indexes of all tables in SQL Server, among them: Using SQL Server maintenance plans. Using T-SQL script based on the fragmentation percent. Using ALTER INDEX command. In this article, we’ll explore these methods and illustrate them with practical examples. 1. SQL Server Rebuild Index Maintenance Plan …

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SQL Server: Renaming Indexes using the sp_rename Procedure

Nisarg Upadhyay — Wed, 24 Mar 2021 10:56:51 +0000

Not so long ago, I was working on a project where we needed to change the data type of a table. The table had millions of rows, and we decided to create a separate table using the existing table definition and insert the rows into that table. After exporting data into the new table, we …

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22 Different T-SQL Indexes Examples to Warp Speed Your Queries

Edwin Sanchez — Tue, 09 Mar 2021 11:30:31 +0000

Indexing the database tables is one of the ways to up your game in tuning queries. How do you do it? Today’s post will give you 22 SQL index examples of SQL query optimization to run your queries in a flash. You can add an index using CREATE TABLE along a column, or in the …

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Create a Database Diagram Using dbForge Database ER Diagram Tool for SQL Server

Ahmad Yaseen — Mon, 09 Nov 2020 15:34:12 +0000

SQL Server database diagram is a graphical representation of database tables. It visualizes the database structure and allows you to understand the overall database schema and relations. It lets you also manage the database schema from the diagram page by creating and modifying database tables, columns, dependencies, indexes, constraints, and keys. Using SQL Server Management …

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SQL Server Indexes Management Using Index Manager for SQL Server

Ahmad Yaseen — Thu, 29 Oct 2020 16:01:38 +0000

SQL Server Index Overview When talking about SQL Server performance tuning and queries enhancement, the first thing to consider is the SQL Server Index. It serves to accelerate reading data from underlying tables by providing quick access to the requested rows. Thus, it won’t need to scan all the table’s records. The SQL Server index …

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Creating Maintenance Plans in SQL Server

Kenneth Igiri — Wed, 08 Jul 2020 08:36:58 +0000

Maintenance plans in SQL Server give us an easy way to organize, configure, and schedule tasks that ensure that the database engine and the databases that are hosted therein are kept in shape. Maintenance Plans offer a database administrator an opportunity to configure key tasks like indexing, statistics updates, backups, log cleanups, and others. In …

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