showvariableslike'transaction_isolation'; 1. 确保输出与你在步骤 4 中设置的事务隔离级别一致。 现在,你应该能够解决mysql 使用 show variables like '%tx_isolation%'; 不生效的问题了。 希望这篇文章对你有帮助!如果还有任何疑问,请随时提问。
2. 再次设置SETTRANSACTIONISOLATIONLEVELSERIALIZABLE;此时报错org.jkiss.dbeaver.model.sql.DBSQLException: SQL 错误 [8048] [HY000]: The isolation level ‘SERIALIZABLE’ is not supported. Set tidb_skip_isolation_level_check=1 to skip this error 3.执行showvariableslike‘tidb_skip_isolation_level_check’...
show variables like '%storage_engine%'; -- 要看某个表用了什么引擎,ENGINE=InnoDB show create table 表名; -- 查看当前的数据库使用的事务隔离级别 show variables like 'tx_isolation' 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 二、MyISAM引擎下的锁 锁的分类 1.1 从数据操作的类型分:读锁...
Sql>show variables like “ft_boolean%”; 39. ft_max_word_len FULLTEXT索引中所包含的字的最大长度。 注释:更改该变量后必须重建FULLTEXT索引。应使用REPAIR TABLE tbl_name QUICK。 Sql>show variables like “ft_max%”; 40. ft_min_word_len FULLTEXT索引中所包含的字的最小长度。 注释:更改该变量...
Bug #27655Excessive SHOW VARIABLES LIKE 'tx_isolation' Submitted:4 Apr 2007 18:09Modified:13 Apr 2007 8:31 Reporter:Jeremy Cole(Basic Quality Contributor) (OCA)Email Updates: Status:ClosedImpact on me: None Category:Connector / JSeverity:S3 (Non-critical) ...
SHOW { [VARIABLES LIKE] configuration_parameter | CURRENT_SCHEMA | TIME ZONE | TRANSACTION ISOLATION LEVEL | SESSION AUTHORIZATION | ALL }; Parameter Description See Parameters in RESET. Examples -- Show the value of timezone. gaussdb=# SHOW timezone; -- Show all parameters. gaussdb=# SHOW...
> SHOW VARIABLES LIKE 'tx_isolation' > SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED > Show commands are much more expensive than SET SESSION. Just run the SET SESSION command > without trying to figure out the current value of tx_isolation. JDBC spec strikes again. There are many...
查看mysql的默认事务隔离级别“show global variables like ‘tx_isolation’; ” Innodb的行锁模式有以下几种:共享锁,排他锁,意向共享锁(表锁),意向排他锁(表锁),间隙锁。 注意:当语句没有使用索引,innodb不能确定操作的行,这个时候就使用的意向锁,也就是表锁 ...
SHOW[GLOBAL|SESSION]VARIABLES[LIKE'pattern'|WHEREexpr] SHOW VARIABLESshows the values of MySQL system variables (seeSection 7.1.8, “Server System Variables”). This statement does not require any privilege. It requires only the ability to connect to the server. ...
show transaction_isolation; 【预期输出】: 1.成功 【实际输出】: 1.失败 数据库core (gdb) bt #0 BBOX_CreateCoredump (file_name=file_name@entry=0x0) at bbox_create.cpp:404 #1 0x000056520fc08e11 in bbox_handler (sig=, si=, uc=) at gs_bbox.cpp:116 #2 bbox_handler (sig=, si...