utlrp.sql脚本可以在数据库运行的状态下执行以编译、数据库中的invalid对象,oracle建议在对数据库进行迁移、升级、降级后都运行一遍utlrp.sql以编译无效对象。
以sysdba登陆来执行脚本
[oracle@Oel_10 ~]$ sqlplus / as sysdba
SQL> @/opt/product/10.2.0/db_1/rdbms/admin/utlrp.sql
注：要写全脚本路径
TIMESTAMP
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COMP_TIMESTAMP UTLRP_BGN 2012-11-2307:04:44
DOC> The following PL/SQL blockinvokes UTL_RECOMP to recompile invalid
DOC> objects in the database.Recompilation time is proportional to the
DOC> number of invalid objectsin the database, so this command may take
DOC> a long time to execute on adatabase with a large number of invalid
DOC> objects.
DOC>
DOC> Use the following queriesto track recompilation progress:
DOC>
DOC> 1. Query returning thenumber of invalid objects remaining. This
DOC> number shoulddecrease with time.
DOC> SELECTCOUNT(*) FROM obj$ WHERE status IN (4, 5, 6);
DOC>
DOC> 2. Query returning thenumber of objects compiled so far. This number
DOC> shouldincrease with time.
DOC> SELECTCOUNT(*) FROM UTL_RECOMP_COMPILED;
DOC>
DOC> This script automaticallychooses serial or parallel recompilation
DOC> based on the number of CPUsavailable (parameter cpu_count) multiplied
DOC> by the number of threadsper CPU (parameter parallel_threads_per_cpu).
DOC> On RAC, this number isadded across all RAC nodes.
DOC>
DOC> UTL_RECOMP usesDBMS_SCHEDULER to create jobs for parallel
DOC> recompilation. Jobs arecreated without instance affinity so that they
DOC> can migrate across RACnodes. Use the following queries to verify
DOC> whether UTL_RECOMP jobs arebeing created and run correctly:
DOC>
DOC> 1. Query showing jobscreated by UTL_RECOMP
DOC> SELECTjob_name FROM dba_scheduler_jobs
DOC> WHERE job_name like 'UTL_RECOMP_SLAVE_%';
DOC>
DOC> 2. Query showing UTL_RECOMPjobs that are running
DOC> SELECTjob_name FROM dba_scheduler_running_jobs
DOC> WHERE job_name like 'UTL_RECOMP_SLAVE_%';
DOC>#
PL/SQL procedure successfully completed.
TIMESTAMP
--------------------------------------------------------------------------------
COMP_TIMESTAMP UTLRP_END 2012-11-2307:05:46
PL/SQL procedure successfully completed.
DOC> The following query reports thenumber of objects that have compiled
DOC> with errors (objects that compilewith errors have status set to 3 in
DOC> obj$). If the number is higherthan expected, please examine the error
DOC> messages reported with each object(using SHOW ERRORS) to see if they
DOC> point to system misconfigurationor resource constraints that must be
DOC> fixed before attempting torecompile these objects.
DOC>#
OBJECTS WITH ERRORS
-------------------
0
DOC> The following query reports thenumber of errors caught during
DOC> recompilation. If this number isnon-zero, please query the error
DOC> messages in the table UTL_RECOMP_ERRORSto see if any of these errors
DOC> are due to misconfiguration orresource constraints that must be
DOC> fixed before objects can compilesuccessfully.
DOC>#
ERRORS DURING RECOMPILATION
---------------------------
0
PL/SQL procedure successfully completed
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.
Total System Global Area 7516192768 bytes
Fixed Size 2107936 bytes
Variable Size 1258292704 bytes
Database Buffers 6241124352 bytes
Redo Buffers 14667776 bytes
Database mounted.
Database opened.