In Transact-SQL statements such as SELECT In applications that call the function In the definition of another user-defined function To parameterize a view or improve the functionality of an indexed view To define a column in a table To define a CHECK constraint on a column To replace a stored...
SQL_DROP_VIEW SQL_EXPRESSIONS_IN_ORDERBY SQL_GROUP_BY SQL_IDENTIFIER_CASE SQL_IDENTIFIER_QUOTE_CHAR SQL_INDEX_KEYWORDS SQL_INSERT_STATEMENT SQL_INTEGRITY SQL_KEYWORDS SQL_LIKE_ESCAPE_CLAUSE SQL_NON_NULLABLE_COLUMNS SQL_OJ_CAPABILITIES SQL_ORDER_BY_COLUMNS_IN_SELECT SQL_OUTER_JOINS SQL_PROCEDURES...
要求对服务器具有 VIEW SERVER PERFORMANCE STATE 权限。示例以下示例返回有关按平均占用时间衡量的前十个函数的信息。SQL 复制 SELECT TOP 10 d.object_id, d.database_id, OBJECT_NAME(object_id, database_id) 'function name', d.cach...
Optimizing Connection Pooling PerformanceWhen distributed transactions are involved, it is possible to optimize connection pooling performance by using SQL_DTC_TRANSITION_COST, which is a SQLUINTEGER bitmask. The transitions referred to are the transitions of the connection attribute SQL_ATTR_ENLIST_IN_...
SQL_DESC_CATALOG_NAME (ODBC 2.0)CharacterAttributePtrThe catalog of the table that contains the column. The returned value is implementation-defined if the column is an expression or if the column is part of a view. If the data source does not support catalogs or the catalog name cannot be...
Create a writable view in SQL DB create an index on just the date part of a datetime field Create Database Failed - Primary file must be at least 3 MB ... create dynamic tables with select * into using dynamic table names create fixed length text file from sql data create fulltext ind...
Instead of multiple filters in the Power BI Lookup Value function, you can create a single multi-column filter. This could optimize complex scenarios where the presence of Lookup Value in an iterator produces poor performance. This generally happens when the storage engine queries include CallbackDa...
SQL Convert Date to YYYY-MM-DD HH:MM:SS Compare SQL Server Features – Decimal vs Numeric, Timestamp vs Rowversion, Unique Index vs Unique Constraint New Date and Time Value Functions in SQL Server 2012 Daniel Calbimonte Daniel Calbimonte is a Microsoft Most Valuable Professional, Microsoft Ce...
Unable to update the EntitySet 'TestInstanceName' because it has a DefiningQuery and no <DeleteFunction> element exists in the <ModificationFunctionMapping> element to support the current operation. where TestInstanceName is the name of the...
Description:Using a NON DETERMINISTIC function in a query WHERE clause appears to disable the query optimization. If the function is made DETERMINISTIC then the query runs quickly. We are using the function in a VIEW.How to repeat:This is a very SIMPLISTIC example trying to use one table. Ou...