The index key order specified by the user when they create a nonclustered index is always honored: any row locator columns that need to be added to the key of a nonclustered index, is added at the end of the key
Get definition of an index from query in SQL Server Get Difference between two dates as Hours, Minutes Get First Node of XML In SQL Query Get initials from first and last name Get last 3 previous months records except current Get Last 6 months data file growth on each database Get list ...
TSqlParserToken TSqlScript TSqlStatement TSqlStatementSnippet TSqlTokenType TSqlTriggerEventGroupHelper TSqlTriggerEventTypeHelper UnaryExpression UnaryExpressionType UniqueConstraintDefinition UniqueRowFilter ピボット解除TableReference UnqualifiedJoin UnqualifiedJoinType UpdateCall UpdateDeleteSpecificationBase UpdateF...
column_name isn't restricted to the columns in the index definition. When partitioning a columnstore index, Database Engine adds the partitioning column as a column of the index, if it isn't already specified. If the table is partitioned, and partition_scheme_name or filegroup aren't ...
Nonunique nonclustered indexes can be created online when the table has columns using the LOB data types but none of these columns are used in the index definition as either key or included columns. Indexes on local temp ta...
Rewrite optimization definition, examples and SQL fragment corresponding to optimization, How recommended indexes can help SQLs improve performance ... More user control of the tuning process Whether to enable rewrite optimization Maximum number of columns for recommended indexes Enable covering...
Nonunique nonclustered indexes can be created online when the table has columns using the LOB data types but none of these columns are used in the index definition as either key or included columns. Indexes on local temp tables can't be created, rebuilt, or dropped online. This restriction ...
The index definition of a disabled index remains in the system catalog with no underlying index data. Disabling a clustered index prevents user access to the underlying table data. To enable an index, use ALTER INDEX REBUILD or CREATE INDEX WITH DROP_EXISTING. For more information, see Disable...
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An index can be created before there is data in the table.. Copy CREATE [UNIQUE] [NONCLUSTERED] INDEX index_name ON table_name (column_name [ASC|DESC][,…n]) WITH (STATISTICS_NORECOMPUTE = { ON | OFF })] Arguments Expand table Term Definition UNIQUE Creates a unique index on a...