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What is locking my table?
A locked table remains locked until you either commit your transaction or roll it back, either entirely or to a savepoint before you locked the table. A lock never prevents other users from querying the table. A query never places a lock on a table. Readers never block writers and writers never block readers.
What is spatial index in SQL Server?
SQL Server supports spatial data and spatial indexes. A spatial index is a type of extended index that allows you to index a spatial column. A spatial column is a table column that contains data of a spatial data type, such as geometry or geography.
How are spatial indexes created in SQL Server?
Creates a spatial index on a specified table and column in SQL Server. An index can be created before there is data in the table. Indexes can be created on tables or views in another database by specifying a qualified database name. Spatial indexes require the table to have a clustered primary key.
What are the tessellation rules for spatial indexes?
For information about the tessellation rules, see Spatial Indexes Overview. Specifies index padding. The default is OFF. Indicates that the percentage of free space that is specified by fillfactor is applied to the intermediate-level pages of the index.
Can you create an index without locking a table?
However, if you using the enterprise version of SQL Server you can easily create an index that is online and does not lock your table. For most of the index creation process, your table and the associated index will be available for you to use. Let us see the syntax of the online index creation.
What happens when you create an index on a table?
One of the biggest complain lots of people have is that when they create an index on a large table it locks the table for a longer period of time leading to lots of timeouts and locking the table for an extensive period of time.