syntaxsql ALTERDATABASEdatabase_nameSETCOMPATIBILITY_LEVEL= {170|160|150|140|130|120|110|100|90} 参数 database_name 要修改的数据库的名称。 COMPATIBILITY_LEVEL { 170 | 160 | 150 | 140 | 130 | 120 | 110 | 100 | 90 | 80 }
excel.Add(newExtension.ExcelHeader(1).Add("表名").Add(tableInfo.TabModel.TabName));//标识表名//中文头Extension.ExcelHeader cnHeader =newExtension.ExcelHeader(2);//英文头Extension.ExcelHeader enHeader =newExtension.ExcelHeader(3);varexcludeFields =newList<string>() {//模板忽略字段"CreateTime...
SQL BETWEEN Operator(With Syntax and Examples) How to Use the SQL EXISTS to Check for the Existence of Data? GROUP BY And ORDER BY in SQL SQL ORDER BY SQL GROUP BY Aggregate Function in SQL Master SQL Date Formats: A Quick and Easy Guide SQL Operators - How to Use Them to Query You...
syntaxsql -- Syntax for Parallel Data WarehouseDELETE[FROM[database_name. [ schema ] . | schema. ]table_name] [WHERE<search_condition>] [OPTION(<query_options>[ ,...n ] ) ] [; ] 参数 WITH common_table_expression<> 指定在 DELETE 语句作用域内定义的临时命名结果集,也称为公用表表达式。
test_expression[NOT]BETWEENbegin_expressionANDend_expression Note To view Transact-SQL syntax for SQL Server 2014 (12.x) and earlier versions, seePrevious versions documentation. Arguments test_expression Is theexpressionto test for in the range defined bybegin_expressionandend_expression.test_expressio...
Azure Database for PostgreSQL 是多用户关系数据库解决方案。 支持多个并发用户的功能使 PostgreSQL 数据库能够横向扩展和启用同时支持多个用户和位置的应用程序。 用户增加会带来冲突的风险。 因此,请务必了解 Azure Database for PostgreSQL 中已建立的并发系统来管理并发和冲突。 在本模块中,我们将了解 A...
by using the syntax above, we help the query optimizer ignore the CreationDate column value when we are sure that the whole partition is within the date range specified. Note: on the boundaries partitions (1 and 5), we add the needed filter to include time on the CreationDate column, but...
New Transact-SQL syntax isn't gated by database compatibility level, except when they can break existing applications by creating a conflict with user Transact-SQL code. These exceptions are documented in the next sections of this article that outline the differences betwee...
Transact-SQL syntax conventions Syntax syntaxsql test_expression[NOT]BETWEENbegin_expressionANDend_expression Arguments test_expression Theexpressionto test for in the range defined bybegin_expressionandend_expression.test_expressionmust be the same data type as bothbegin_expressionandend_expression. ...
-- Syntax for SQL Server and Azure SQL Database [ WITH <common_table_expression> [...n] ] UPDATE [ TOP ( expression ) [ PERCENT ] ] { { table_alias | | rowset_function_limited [ WITH ( <Table_Hint_Limited> [ ...n ] ) ] } | @table_variable } SET { column_name = {...