適用於:SQL Server Azure SQL 資料庫 Azure SQL 受控執行個體 Azure Synapse Analytics Analytics Platform System (PDW) Microsoft Fabric 的 SQL 端點分析 Microsoft Fabric 的倉儲 此函式會傳回透過以端對端方式串連 (或聯結) 兩個以上字串值所產生的字串。 注意 若要在串連期間新增分隔值,請使用 CONCAT_WS...
To view Transact-SQL syntax for SQL Server 2014 (12.x) and earlier versions, see Previous versions documentation. Arguments argument1, argument2 [ , argumentN ] An expression of any string value. The CONCAT function requires at least two arguments, and no more than 254 arguments. Return type...
To view Transact-SQL syntax for SQL Server 2014 (12.x) and earlier versions, see Previous versions documentation. Arguments argument1, argument2 [ , argumentN ] An expression of any string value. The CONCAT function requires at least two arguments, and no more than 254 arguments. Return type...
syntaxsql CONCAT( argument1 , argument2 [ , argumentN] ... ) 参数 argument1,argument2[ ,argumentN] 任意字符串值的表达式。CONCAT函数需要至少两个自变量,并且不得超过 254 个自变量。 返回类型 长度和类型取决于输入的字符串值。 备注 CONCAT采用可变数量的字符串自变量,并将它们串联(或联接)成单个字符串...
Transact-SQL syntax conventions Syntax syntaxsql CONCAT( argument1 , argument2 [ , argumentN] ... ) Arguments argument1,argument2[ ,argumentN] An expression of any string value. TheCONCATfunction requires at least two arguments, and no more than 254 arguments. ...
由於SQL Server 查詢最佳化工具通常會選擇最好的查詢執行計畫,因此,建議資深開發人員與資料庫管理員只在必要情況使用提示。 適用於: DELETE INSERT SELECT UPDATE MERGE Transact-SQL 語法慣例 語法 syntaxsql 複製 <query_hint> ::= { { HASH | ORDER } GROUP | { CONCAT | HASH | MERGE } UNION | { ...
Syntax CONCAT(string1,string2,...,string_n) Parameter Values ParameterDescription string1, string2, string_nRequired. The strings to add together Technical Details Works in:SQL Server (starting with 2012), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse More...
For example, contained database users were introduced in SQL Server 2012 (11.x). Use the CREATE USER statement in any SQL Server product; however the WITH PASSWORD syntax can't be used with older versions. Extra Applies to sections are inserted into the appropriate argument descriptions in ...
由于SQL Server 查询优化器通常会为查询选择最佳执行计划,我们建议资深开发人员和数据库管理员仅在不得已时使用提示。 适用于: DELETE INSERT SELECT UPDATE MERGE Transact-SQL 语法约定 语法 syntaxsql 复制 <query_hint> ::= { { HASH | ORDER } GROUP | { CONCAT | HASH | MERGE } UNION | { LOOP ...
syntaxsqlCopy <query_hint>::={ {HASH|ORDER}GROUP| {CONCAT|HASH|MERGE}UNION| {LOOP|MERGE|HASH}JOIN|DISABLE_OPTIMIZED_PLAN_FORCING|EXPANDVIEWS|FAST<integer_value>|FORCEORDER| {FORCE|DISABLE}EXTERNALPUSHDOWN| {FORCE|DISABLE}SCALEOUT...