3. 编写Oracle存储过程,包含 TRUNCATE TABLE 操作 以下是一个示例存储过程,它使用 EXECUTE IMMEDIATE 来执行 TRUNCATE TABLE 操作: sql CREATE OR REPLACE PROCEDURE truncate_table_proc (p_table_name IN VARCHAR2) IS BEGIN EXECUTE IMMEDIATE 'TRU
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...
可以使用用户u1创建存储过程, create procedure u1.stgtruncate(table_name in varchar2) as begin execute immediate 'truncate table '||table_name; end; 然后将该存储过程的权限赋予u2, grant execute on u1.stgtruncate to u2; 现在登录u2,通过执行如下sql即可truncate u1下的表test1a call u1.stgtruncate('...
SYS@book01p> create table scott.scanblock ( file_id number,block_id number ) tablespace TSP_AUDIT; Table created. SYS@book01p> create table scott.bak_t tablespace TSP_AUDIT as select * from scott.t where 0=1; Table created. --//注意建立的新表一定不能使用原来的表空间,避免覆盖。 $ ...
STEP3:开始执行恢复,只需要两个参数:schema和table_name, 代码语言:javascript 代码运行次数:0 运行 AI代码解释 [oracle@source-node~]$ sqlplus/assysdbaSQL*Plus:Release11.2.0.4.0Production on Tue Apr2111:11:202020Copyright(c)1982,2013,Oracle.All rights reserved.Connected to:Oracle Database 11g Enterpris...
)AsSqlddlVarchar2(1000);BeginSqlddl :='truncate table '||p_owner||'.'||p_tab||'';Dbms_Output.Put_Line(Sqlddl);Execute Immediate Sqlddl;End;/ truncate分区表的某个分区 CREATEORREPLACEProcedureSYS.truncate_partition_tab( p_ownerinvarchar2, --owner ...
SQL>@/home/oracle/FY_Recover_Data.pck -- 删除“&”符号后导入成功 Packagecreated. Packagebody created. STEP3:开始执行恢复,只需要两个参数:schema和table_name, [oracle@source-node~]$ sqlplus / as sysdbaSQL*Plus:Release 11.2.0.4.0 Production on Tue ...
oracle 10g r2 system@ORCL> create tablespace anbob datafile '/u01/app/oracle/oradata/ORCL/datafile/anbob.dbf' size 40m; Tablespace created. anbob@ORCL> create table testspace as select * from all_objects; Table created. anbob@ORCL> select segment_name,tablespace_name from user_segments where...
BANNER_LEGACY : Oracle Database 21c Enterprise Edition Release 21.0.0.0.0 - Production CON_ID : 0 PL/SQL procedure successfully completed. 2.测试环境建立: --//drop table t purge ; SCOTT@book01p> create table t as select * from all_objects; ...
Table created SQL> set timing on --显示消耗时间 SQL> select count(*) from mytest; --记录数12522708,耗时19秒,已经不小拉 COUNT(*) --- 12522708 Executed in 19 seconds SQL> delete from mytest; --删除表的所有数据,这个过程太长了,涉及到回滚数据的创建,库也不是我一个人在折腾 12522708 rows...