backup image database. The database files will be deleted.Do you want to continue ? (y/n) yDB20000I The RESTORE DATABASE command completed successfully.[db2inst1@localhost tmp]$ db2 rollforward db sample to end of logs Rollforward Status Input database alias = sample Number of members ha...
TRUNCATE IMMEDIATE is used to clear tables on the target (with the RESTRICT WHEN DELETE TRIGGERS clause) Note:The following list indicates situations where the use ofTRUNCATEis not possible: The target database
GRANT TRUNCATE ON database_name.table_name TO 'username'@'host'; 问题3:TRUNCATE操作与外键约束冲突 原因:如果表之间存在外键约束,TRUNCATE操作可能会失败。 解决方法:在执行TRUNCATE操作前,先删除或禁用相关的外键约束,然后再执行TRUNCATE操作。例如:
-o, --one-database:Ignore statements except those that occur while the default database is the one named at the command line.指定-o参数,仅执行默认数据库(use dbname)与命令行指定dbname相同的脚本查看备份出来脚本 View Code 虽然有create database replcrash语句,但是它没在use sbtest下面,那么它的...
GETTRUNCATESandIGNORETRUNCATESare supported by Replicat for Oracle Database, SQL Server, DB2 LUW, DB2 z/OS, MySQL, and other ODBC targets that support theTRUNCATEcommand. Note: It is not possible to ignoreTRUNCATEs during capture from a DB2 z/OS database. By default,TRUNCATEs are always ...
TRUNCATE sends a JMX command to all nodes to delete SSTables that hold the data from the specified table. If any of the nodes are down or do not respond, the command fails and outputs a message like the following: cql Unable to complete request: one or more nodes were unavailable....
TRUNCATE quickly removes all rows from a database table.It has the same effect as an unqualified DELETE on each table, but it is faster since it does not actually scan th
USEtemp_test_databaseGO--创建一个临时表CREATETABLETruncateTabel(IDINT)INSERTINTOTruncateTabel(ID)SELECT1UNIONALLSELECT2UNIONALLSELECT3GO--检查插入的数据SELECT*FROMTruncateTabel 如图: 开始执行事务 --开始事务BEGINTRANTRUNCATETABLETruncateTabelGO--回滚之前检查TruncateTableSELECT*FROMTruncateTabelGO ...
另外 例如DB2 V10.5 可以修改数据库配置,开启自动重组;表就会处于一个自动维护的状态。存储空间支持在线释放,不影响系统的正常运行。 [db2inst1@localhost ~]$ db2 update db cfg using AUTO_REORG on DB20000I The UPDATE DATABASE CONFIGURATION command completed successfully. ...
Oracle Database changes the NEXT storage parameter of table to be the size of the last extent deleted from the segment in the process of truncation. Oracle Database also automatically truncates and resets any existing UNUSABLE indicators for the following indexes on table: range and hash partiti...