Posted on November 23, 2009 by Derek Dieter 14 4 « Create Index on Temp Table Beginning of Month » Creating an index on a table variable can be done implicitly within the declaration of the table variable by defining a primary key and creating unique constraints. The primary key will ...
Create a nonclustered index on a table or view SQL Kopiraj CREATE INDEX index1 ON schema1.table1 (column1); Create a clustered index on a table and use a 3-part name for the table SQL Kopiraj CREATE CLUSTERED INDEX index1 ON database1.schema1.table1 (column1); Create a no...
Create a nonclustered index with a unique constraint and specify the sort order SQL Copy CREATE UNIQUE INDEX index1 ON schema1.table1 (column1 DESC, column2 ASC, column3 DESC); Key scenario: Starting with SQL Server 2016 (13.x), in Azure SQL Database, and in Azure SQL Managed Inst...
Create a nonclustered index with a unique constraint and specify the sort order SQL Copy CREATE UNIQUE INDEX index1 ON schema1.table1 (column1 DESC, column2 ASC, column3 DESC); Key scenario: Starting with SQL Server 2016 (13.x), in Azure SQL Database, and in Azure SQL Managed Inst...
However, this option can't drop a secondary XML index to create a new primary XML index or vice versa. Primary XML index names have the same restrictions as view names. You can't create an XML index on an xml type column in a view, on a table valued variable with xml type columns,...
_table_name [ ( ref_column [ ,... n ] ) ] [ ON DELETE { NO ACTION | CASCADE | SET NULL | SET DEFAULT } ] [ ON UPDATE { NO ACTION | CASCADE | SET NULL | SET DEFAULT } ] [ NOT FOR REPLICATION ] | CHECK [ NOT FOR REPLICATION ] ( logical_expression ) } <table_index> ...
<table_option> ::= { CLUSTERED COLUMNSTORE INDEX -- default for Azure Synapse Analytics | CLUSTERED COLUMNSTORE INDEX ORDER (column [,...n]) | HEAP --default for Parallel Data Warehouse | CLUSTERED INDEX ( { index_column_name [ ASC | DESC ] } [ ,...n ] ) -- default is ASC } ...
Creates a unique index on a table or view. A unique index is one in which no two rows are permitted to have the same index key value. A clustered index on a view must be unique. The SQL Server 2005 Database Engine does not allow creating a unique index on columns that already includ...
syntaxsql 复制 CREATE [ OR ALTER ] FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ NULL ] [ = default ] [ READONLY ] } [ , ...n ] ] ) RETURNS @return_variable TABLE <table_type_definition> [ WITH <functio...
The CREATE TABLE statement defines a table. The definition must include its name and the names and attributes of its columns. The definition can include other attributes of the table, such as its primary key and its table space.