owner, members of thesysadminfixed server role, and thedb_owneranddb_ddladminfixed database roles, and aren't transferable. However, you can incorporate theTRUNCATE TABLEstatement within a module, such as a stored procedure, and grant appropriate permissions to the module using theEXECUTE ASclause...
owner, members of thesysadminfixed server role, and thedb_owneranddb_ddladminfixed database roles, and aren't transferable. However, you can incorporate theTRUNCATE TABLEstatement within a module, such as a stored procedure, and grant appropriate permissions to the module using theEXECUTE ASclause...
当MySQL 5.7 使用规范配置启动时,从debug-trace过程来看,在row_drop_single_table_tablespace、row_drop_table_from_cache函数执行期间根本没有耗时,所以实施优化方案后,没有效果; 耗时的过程在que_eval_sql: query: PROCEDURE DROP_TABLE_PROC ---> dict_drop_index_tree; row_drop_single_table_tablespace的耗时...
CREATE OR REPLACE PROCEDURE TruncateTable (tableName IN VARCHAR2) IS BEGIN -- 使用动态SQL执行TRUNCATE命令 EXECUTE IMMEDIATE 'TRUNCATE TABLE ' || tableName; EXCEPTION WHEN OTHERS THEN -- 异常处理,这里可以记录日志或抛出错误 DBMS_OUTPUT.PUT_LINE('Error: ' || SQLERRM); END; / 调用该存储过程...
I want to create a stored procedure to truncate a table.I have to do this, as I have data coming into a Service Broker queue, that requires processing in different ways, based on the table name of the table that the data has come from (on a remote server)....
owner, members of thesysadminfixed server role, and thedb_owneranddb_ddladminfixed database roles, and aren't transferable. However, you can incorporate theTRUNCATE TABLEstatement within a module, such as a stored procedure, and grant appropriate permissions to the module using theEXECUTE ASclause...
owner, members of thesysadminfixed server role, and thedb_owneranddb_ddladminfixed database roles, and aren't transferable. However, you can incorporate theTRUNCATE TABLEstatement within a module, such as a stored procedure, and grant appropriate permissions to the module using theEXECUTE ASclause...
CREATE TABLE books( id int auto_increment primary key, title varchar(255) not null )ENGINE=InnoDB; Next, populate data for the books table by using the following stored procedure: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 DELIMITER $$ CREATE PROCEDURE load_book_data(IN num ...
如果rename之后,在内部执行create table之前,又打开了新文件,那这时候 fd 43 就会被其它打开的文件持有,truncate之后表的 fd 也就会发生变化。 注意:MySQL 8.0 是真正使用rename+create+drop实现的truncate,但 MySQL 5.7 是通过文件的truncate实现的。 Q2: 如何分析 TRUNCATE 慢的问题?
truncate table haha; select count(1) from haha; COUNT(1) --- 0查询已清空4.测试恢复过程 (sys)plsql中执行脚本一系列存储过程和表空间,示例输出 SQL> @truncate_sql.sql Enter value for files: (默认回车就行,不需要输入) old 30: -- 1. Temp Restore and Recover tablespace & files --- new ...