1)单行:INSERT INTO A SELECT '张三' 2)多行:INSERT INTO A (NAME) SELECT '李四' UNION ALL SELECT '王五' 3)复制表: INSERT INTO [A] SELECT NAME FROM [B] 或者 INSERT INTO [A] (NAME) SELECT NAME FROM [B] 2.SELECT INTO FROM 语法:SELECT field1,field2,...INTO Table2 FROM Table1 ...
INSERT INTO SELECT语句 要求目标表必须存在(可以插入常量) SELECT INTO FROM语句 要求目标表不存在,在插入时会自动创建表
INSERT...SELECT... 该语句向已存在的目标表中插入有SELECT查询返回的结果集,句式: 代码语言:txt AI代码解释 INSERT INTO target_table(field1[,field2]) SELECT column1[,column2] FROM raw_table WHERE... SELECT...INTO... SELECT...INTO...不是标准SQL,该语句会创建新表并将查询结果集数据插入到表...
1:create procedure Performance_Solution_Table_Paramters @Temptable Specialtable Readonly2:as3:begin4:select*from @Temptable5:end6:Finally,execute the stored procedure:7:declare @temptable_value specialtable8:insert into @temptable_value select'1','Jone'union select'2','Bill'9:exec dbo.SP_Result...
SQL 语句说明 CREATE TABLE AS SELECT允许基于SELECT语句的输出创建新表。 此操作通常用于创建表的副本或转换和加载复杂查询的结果。 INSERT...SELECT允许将数据从一个表插入到另一个表中。 它在你希望将数据从一个表复制到另一个表而不创建新表时非常有用。
SQL 复制 mysql>insert into t3_bak_1124 select*from t3_bak limit3;QueryOK,3rowsaffected(0.01sec)Records:3Duplicates:0Warnings:0 1. 2. 3. 查看锁等待信息 其中: 给t3_bak 表中扫描的每行数据的主键索引加 S 型 next-key lock。 分析
Transact-SQL 语法约定 语法 syntaxsql 复制 SELECT [ ALL | DISTINCT ] [ TOP ( expression ) [ PERCENT ] [ WITH TIES ] ] <select_list> <select_list> ::= { * | { table_name | view_name | table_alias }.* | { [ { table_name | view_name | table_alias }. ] { column_name...
適用於:sql Server Azure SQL 資料庫 Azure SQL 受控執行個體 Microsoft Fabric Microsoft Fabric SQL 資料庫中Microsoft網狀架構倉儲中的 SQL 分析端點 指定查詢所要傳回的資料行。 Transact-SQL 語法慣例 語法 syntaxsql 複製 SELECT [ ALL | DISTINCT ] [ TOP ( expression ) [ PERCENT ] [ WITH TIES ]...
SQL 复制 COPY INTO [dbo].[Trip] FROM 'https://nytaxiblob.blob.core.windows.net/2013/Trip2013/' WITH ( FIELDTERMINATOR='|', ROWTERMINATOR='0x0A' ) OPTION (LABEL = 'COPY: dbo.trip'); 监视加载情况 通过定期运行以下查询来检查加载是否正在进行: SQL 复制 SELECT r.[request_id] , ...
UPDATE LOBs SET clob_col = (SELECT clob_data FROM OPENROWSET(BULK 'c:\temp\textfile1.txt', SINGLE_CLOB) AS C(clob_data)) WHERE keycol = 1 The SINGLE_NCLOB option tells SQL Server that the large object is in character format. Similarly, SINGLE_CLOB specifies a large object with regu...