DeclareTableVariableStatement DeclareVariableElement DeclareVariableStatement DefaultConstraintDefinition DefaultLiteral DelayedDurabilityDatabaseOption DelayedDurabilityOptionKind DeleteMergeAction DeleteSpecification DeleteStatement DeleteUpdateAction DenyStatement DenyStatement80 DeviceInfo D...
That is, only the index pages, and not the data pages of the table or clustered index, are required to retrieve the requested data; therefore, reducing overall disk I/O. For example, a query of columns A and B on a table that has a composite index created on columns A, B, and ...
That is, only the index pages, and not the data pages of the table or clustered index, are required to retrieve the requested data; therefore, reducing overall disk I/O. For example, a query of columns A and B on a table that has a composite index created on columns A, B, and C...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW)Creates a relational index on a table or view. Also called a rowstore index because it is either a clustered or nonclustered B-tree index. You can create a rowstore inde...
Num_Rows = number of rows in the table Specify the number of fixed-length and variable-length columns in the index key and calculate the space that is required for their storage: The key columns of an index can include fixed-length and variable-length columns. To estimate the interior level...
For every partition used by a table (heap or clustered table), index, or indexed view, there is one ROW_OVERFLOW_DATA allocation unit. This allocation unit contains zero (0) pages until a data row with variable length columns (varchar, nvarchar, varbinary, or sql_variant) in the IN_ROW...
Num_Rows= number of rows in the table Specify the number of fixed-length and variable-length columns in the index key and calculate the space that is required for their storage: The key columns of an index can include fixed-length and variable-length columns. To estimate the interior level...
DataRetentionTableOption DataTypeReference DataTypeSequenceOption DbccCommand DbccNamedLiteral DbccOption DbccOptionKind DbccStatement DeallocateCursorStatement DeclareCursorStatement DeclareTableVariableBody DeclareTableVariableStatement DeclareVariableElement DeclareVariableStatement DefaultConstraintDefinit...
The CREATE INDEX statement creates a partitioning index or a secondary index and an index space at the current server. The columns included in the key of the index are columns of a table at the current server.
CROSS APPLY idx.nodes('.//Object[@Database=sql:variable("@vDbName") and contains(sql:variable("@TableName"),@Table)]') AS vObj(obj) ) SELECT QS.SqlInstanceName, QS.DbName,QS.SchemaName,QS.TableName,QS.QueryTxt, QS.IndexName,QS.Operator, QS.SeekRowCnt,RS.RowCnt As Total...