当enforce_gtid_consistency设置为true时,只能使用GTID安全的语句,例如如下操作不能与此选项一起使用: CREATE TABLE ... SELECT语句 在事务内创建TEMPORARY TABLE或DROP TEMPORARY TABLE语句 更新事务和非事务表的事务或语句。 enforce_gtid_consistency仅在语句进行二进制日志记录时生效。如果在服务器上禁用了二进制日志...
40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;---Table structurefortable`book`--DROPTABLEIFEXISTS`book`;/*!40101 SET @saved_cs_client = @@character_set_client */;/*!40101 SET character_set_client = utf8 */;CREATETABLE`book`(`bookid`int(11)NOTNULL,`bookname`varchar(255...
mysql>ALTERTABLEsakila.film_actorDROPFOREIGNKEY fk_film_actor_film; mysql>ALTERTABLEsakila.film_actorDROPKEY idx_fk_film_id; mysql>EXPLAINSELECT*FROMsakila.film_actorWHEREfilm_id=1\G***1\.row***id:1select_type: SIMPLEtable: film_actor partitions:NULLtype:ALLpossible_keys:NULLkey:NULLkey_len...
--ignore-table=name Do not dump the specified table. To specify more than one table to ignore, use the directive multiple times, once for each table. Each table must be specified with both database and table names, e.g., --ignore-table=database.table. (在导出数据库时,排除某个或者某...
importsubprocessdefexport_table_structure(database,tables,output_file):tables_str=" ".join(tables)command=f"mysqldump -u username -p --no-data{database}{tables_str}>{output_file}"subprocess.run(command,shell=True)export_table_structure("mydatabase",["customers","orders"],"output.sql") ...
table does not have these columns. SUM_xxx The aggregate of the corresponding column in the events_statements_current table. For example, the SUM_LOCK_TIME andSUM_ERRORS columns in statement summary tables are the aggregates of the LOCK_TIME and ERRORS columns in events_statements_...
# [mysqld]server-id=2log-bin=mysql-binrelay-log=mysql-relay-bin# 忽略复制的文件,这几个数据库不需要进行同步replicate-wild-ignore-table=mysql.%replicate-wild-ignore-table=test.%replicate-wild-ignore-table=information_schema.% 对于从重要的就是第2、4行,第一个是服务器编号,第二个是开启relay log...
A metadata lock on a table prevents changes to the table's structure. This locking approach has the implication that a table that is being used by a transaction within one session cannot be used in DDL statements by other sessions until the transaction ends. ...
> CREATE TABLE `cluster` ( `anchor` tinyint(4) NOT NULL, `cluster_name` varchar(128) CHARACTER SET ascii NOT NULL DEFAULT'', `cluster_domain` varchar(128) CHARACTER SET ascii NOT NULL DEFAULT'', `data_center` varchar(128) NOT NULL, ...
# 添加image列ALTERTABLEempADDimageVARCHAR(100)NOTNULLDEFAULT''AFTER RESUME;# 修改job列ALTERTABLEemp MODIFY jobVARCHAR(60)NOTNULLDEFAULT'';# 删除sex列ALTERTABLEempDROPsex;# 修改表名RENAMETABLEempTOemployee;# 修改表的字符集为gbkALTERTABLEemployeeCHARACTERSETgbk;# 修改列名name为user_nameALTERTABLEemploye...