在MySQL中,插入数据的基本语法如下: INSERTINTO表名(列1,列2,列3,...)VALUES(值1,值2,值3,...); 1. 2. 对于多行插入,可以使用下面的形式: INSERTINTO表名(列1,列2,列3,...)VALUES(值1_1,值1_2,值1_3,...),(值2_1,值2_2,值2_3,...),(值3_1,值3_2,值3_3,...); 1. 2...
INSERT INTO语句用于向数据库表中插入新的行。子查询是一个嵌套在INSERT INTO语句中的查询,它返回多行数据,这些数据将被插入到目标表中。 在PHP和MySQL中,可以使用INSERT INTO -子查询返回多行来实现将子查询的结果插入到目标表中。具体的语法如下: 代码语言:txt ...
name) ); insert into t_vip(id,name,email) values(1,'zhangsan','zhangsan@123.com'); insert into t_vip(id,name,email) values(1,'lisi','lisi@123.com'); //错误:不能重复 insert into t_vip(id,name,email) values(1,'lisi','lisi@123.com'); ERROR 1062 (23000): Duplicate entry ...
I am trying to insert a large number of rows into a mysql 5.5 database but it is very slow. Same code on POSTGRES and ORACLE is 100s times faster. For mysql I construct my INSERT statements as follows: INSERT INTO MY_TABLE VALUES ( 1, 1, 'text' ) , ( 2, 1, 'some text')...
asnew rows are inserted. Thus, the rows orderedbythe row ID are physicallyininsertionorder. 间隙锁(Gap Locks) 区间锁, 仅仅锁住一个索引区间(开区间)。 在索引记录之间的间隙中加锁,或者是在某一条索引记录之前或者之后加锁,并不包括该索引记录本身。
mysql> create temporary table t1 (id mediumint auto_increment not null primary key, b2 -> char not null default ' '); Query OK, 0 rows affected (0.05 sec) mysql> insert into t1 (b2) values ('a'), ('b'); Query OK, 2 rows affected (0.03 sec) Records: 2 Duplicates: 0 Warnings...
MySQL INSERT – insert multiple rows# In order to insert multiple rows into a table, you use the INSERT statement with the following syntax: 1 2 3 4 INSERT INTO table(column1,column2...) VALUES (value1,value2,...), (value1,value2,...), ...; In this form, the value list of...
"An insert intention lock is a type of gap lock set by INSERT operations prior to row insertion. This lock signals the intent to insert in such a way that multiple transactions inserting into the same index gap need not wait for each other if they are not inserting at the same position ...
However, when a temporary error condition (temporary error 233 out of MaxNoOfConcurrentOperations) is encountered during insertion of multiple rows with a single INSERT statement, the statement fails without rolling back if autocommit is enabled. How to repeat: DROP TABLE IF EXISTS `test_ndb`; ...
> I am using version 6.3 of MySQL No such version. 6.3 sounds like a WorkBench version. > create a Stored Procedure which can INSERT multiple > rows into a table where table has 10 columns ... > accept an Array of Data with dynamic length Is...