The tutorial will help you understand what an index is, what it does and its purpose. It also lists some of the types of indexes that you can use in SQL Server.
The following table lists the types of indexes available in SQL Server and provides links to additional information. Index type Description Additional information Clustered A clustered index sorts and stores the data rows of the table or view in order based on the clustered index key. The clustered...
The following tables describes the query types for which indexes are useful. Note The examples in the table are based on the AdventureWorks2008R2 sample database. When you run the examples in SQL Server Management Studio, you can view the indexes that are selected by the query optimizer by ...
This is done to keep the index tree balanced so that SQL Server has to traverse through a predictable number of levels to get to any data page in the tree. This is the reason why SQL server indexes are implemented as b-trees where “b” means “balanced”. Page splits are...
Comparison is in depth-first order Given two hierarchyid valuesaandb,a
Additionally, most RDBMS systems do a good job of optimizing join performance for a small number of tables. The relational DBA can also help optimize performance by creating appropriate indexes on the join columns in the schema. The additional overhead of processing an additional join when loading...
Every two indexes are grouped to identify the start of a parameter and the end of the parameter. 0,3,5,8 cmdline The complete command to start the process. ipset list KUBE-6-CLUSTER-IP comm The command name related to the process. N/A container_hostname The name of the server ...
Pack 1 (SP1) and SQL Server 2016. Databases for SharePoint Server 2013 can be hosted in SQL Server 2008 R2 with Service Pack 1 (SP1) or SQL Server 2012. For more information seeSystem requirements for SharePoint Servers 2016 and 2019andHardware and software requirements for SharePoint 2013....
Perform a backup and restore of Search service application databases only when the SharePoint farm is fully stopped. When the SharePoint farm is stopped you can back up the farm to snapshots or make a backup with SQL Server tools to ensure the search indexes are synchronized with the search ...
table variables and user-defined functions that return a table cannot be used in any other Transact-SQL statements. Indexes or other constraints that are applied to the table must be defined as part of the DECLARE variable or CREATE FUNCTION statement. They cannot be applied later because the ...