幻读Phantom Rows The so-called phantom problem occurs within a transaction when the same query produces different sets of rows at different times. For example, if a SELECT is executed twice, but returns a row the second time that was not returned th...



Auto_incrementMysql AUTO_INCREMENT 1.Innodb表的自动增长列可以手工插入,但是插入的值如果是空或者0,则实际插入的将是自动增长后的值1234567891011121314151617181920212223242526mysql> create table t1(id int not null auto_increment primary key,name varchar(10));Query OK, 0 rows affected (0.06...


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