1、执行 create table r like t,创建一个相同表结构的空表; 2、执行 alter table r discard tablespace,这时候 r.ibd 文件会被删除; 3、执行 flush table t for export,这时候 db1 目录下会生成一个 t.cfg 文件; 4、在 db1 目录下执行 cp t.cfg r.cfg; cp t.ibd r.ibd;这两个命令(这里需要注...
where a.sale_state=1 and b.device_status=2 and ifnull(a.del_flag,0)=0 ; 情况二: 表数据备份 create table l_biz_car_info_copy (select * from l_biz_car_info);
把sql语句copy出来,改一下表名和atuo_increment,然后在执行一下。 二,复制表数据,以及表结构 方法1: mysql> create table c select * from users; //复制表的sql Query OK, 4 rows affected (0.00 sec) Records: 4 Duplicates: 0 Warnings: 0 1. 2. 3. 不过这种方法的一个最不好的地方就是新表中...
--准备2张表,每张表1亿数据>create database sbtest;nohup sysbench--mysql-host=localhost--mysql-port=53306--mysql-user=root--mysql-password=axxxpx \--test=/usr/local/sysbench/share/sysbench/tests/include/oltp_legacy/oltp.lua--oltp_tables_count=2\--oltp-table-size=100000000--num-threads=50-...
1 要不你就添加字段,你要是混合使用alter table语句,那恕不进行instant的操作,例如一条语句又是加字段,又是删字段 2 字段只能加到表最后一列,你要是想在之间加什么字段,恕不管用 3 表的row_format 不能是压缩的 compressed 的格式 4 表里面有全文索引,no no no 不可以 ...
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1 row in set (0.00 sec)把sql语句copy出来,改一下表名和atuo_increment,然后在执行一下。 二,复制表数据,以及表结构 方法1: mysql> create table c select * from users; //复制表的sql Query OK, 4 rows affected (0.00 sec) Records: 4 Duplicates: 0 Warnings: 0 ...
Full table copy:--table Range copy:--table-range Both table copy types require a set of common arguments: Source schema: The schema or catalog to which the table belongs. If quoting is required, it must be done using the syntax from the source RDBMS. For example, SQL Server uses[square...
Found a solution. Not great, but it works. In my previous email, all my attempts to move the table from one schema to another was done in the 'EER Diagram' tab. I then looked in the 'MySQL Model' tab and was able with the mouse to copy and paste the table between the two physic...
create database test1;createtable test1.t(id int);insertinto test1.tvalues(33); 在slave1上查看(在上面的步骤之后的10秒内查看): mysql> show status like "%semi%";+---+---+| Variable_name | Value |+---+---+| Rpl_semi_sync_master_clients | 0 | # clients=0| Rpl_semi_sync_ma...