obclient>INSERTINTOt_insert(id,name,value,gmt_create)values(1,'CN',10001,current_timestamp);Query OK,1rowaffected 未知道所有列信息 下面SQL 插入两笔记录,使用一个INSERT多个VALUES子句。 说明 其中gmt_create 字段没有提供,但是该字段有默认值,所以插入数据可以执行成功。
obclient>INSERT ALL WHEN col2 > 1 THEN INTO tbl1 VALUES(14,15,16) INTO tbl2 VALUES(40,41,42) WHEN col3 > 1 THEN INTO tbl2 VALUES(25,26,27) ELSE INTO tbl1 VALUES(35,36,37) SELECT col2,col3 FROM tbl; Query OK, 3 rows affected Records: 3 Duplicates: 0 Warnings: 0 obclien...
Learn how to use the SQL INSERT query to add new records to your database efficiently. Explore examples and best practices.
if SET IDENTITY_INSERT is set to ON for the table. If this isn’t the case, an error is thrown. You can find an example in the tipINSERT INTO SQL Server table with IDENTITY column.
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
<insert_statement> ::= INSERT [INTO] [(<column_name>,...)] VALUES (<insert_expression>,...) [<duplicates_clause>] [IGNORE TRIGGER] [NOWAIT] | INSERT [INTO] [(<column_name>,...)] <query_expression> [<duplicates_clause>] [IGNORE TRIGGER] [NOWAIT] | INSERT [INTO] SET <se...
mysql>selectuser,hostintouser2fromuser; ERROR():Undeclaredvariable:user2 解决方法是: mysql>create table user2(select*fromuser); QueryOK,rows affected(0.18sec) Records:Duplicates:Warnings: mysql>create table user01(selectuser,password,hostfromuser); ...
>] [IGNORE TRIGGER] [NOWAIT] | INSERT [INTO] [(<column_name>,...)] <query_expression> [<duplicates_clause>] [IGNORE TRIGGER] [NOWAIT] | INSERT [INTO] SET <set_insert_clause>,... [<duplicates_clause>] [IGNORE TRIGGER] [NOWAIT]<insert_expression> ::= ...
"SELECT * INTO table FROM" a stored procedure? Possible? "SELECT COUNT(*) FROM (SELECT..." not working "SELECT INTO" with indexes? "Simple" SQL to check for alpha or numeric charcters isn't working right "String or binary data would be truncated.\r\nThe statement has been terminated....
使用php在mysql中insert语句后复制记录我对解决你的问题并不乐观。我认为问题在于，代码执行了不止一次，...