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Comments for Laurent Schneider

Oracle Certified Master

Last Build Date: Wed, 21 Feb 2018 07:37:54 +0000


Comment on set my ORACLE_HOME, PATH, ORACLE_SID by DBA

Wed, 21 Feb 2018 07:37:54 +0000

Hi, guys! In the following post, there is a PL/SQL script that generates the current database environment file. Also, it contains a good example of an environment file you'd better use for your database. ...

Comment on ORA-01466: unable to read data – table definition has changed by Rajesh

Thu, 15 Feb 2018 20:13:14 +0000

I had a similar kind of issue while running the jobs in DataStage When changed Transaction Isolation form Read Only to Read Committed this issue got resolved.

Comment on How do i store the counts of all tables … by Jesus Gutierrez

Tue, 13 Feb 2018 17:18:27 +0000

Laurent I'm using your approach to of your function to get the rows count plus another details i need for one Stats table report select table_name, XXXXr.count_rows(table_name), LAST_ANALYZED, NUM_ROWS, (XXXX.count_rows(table_name)-NUM_ROWS) Diff_rows from dba_tables where owner = 'XXXX'; So there are Big big tables here and when I'm executing it blow up these error ERROR: ORA-00942: table or view does not exist ORA-06512: at "XXXX.COUNT_ROWS", line 6 So this mean the function play a key role on the performance Any idea or advice

Comment on better than CTAS by Laurent Schneider

Thu, 18 Jan 2018 18:33:09 +0000

You shouldn’t need to create it, simply use ora11gr2 I think you got something wrong with quotes, it may be a copy paste issue There are three single quotes before T1

Comment on better than CTAS by quanwenzhao

Thu, 18 Jan 2018 07:41:19 +0000

Hello,Laurent Schneider About your implicit loopback dblink 'DB01',how to create it? and my own is as follows, SQL> set linesize 200 SQL> col global_name for a30 SQL> select * from global_name; GLOBAL_NAME ------------------------------ ORA11GR2 SQL> create database link db01 using 'ora11gr2'; Database link created. SQL> select * from dba_db_links; OWNER DB_LINK USERNAME HOST ---------- ----------- --------------- ----------- SYS DB01 ora11gr2 SQL> set autop on SQL> var job_state varchar2(30) SQL> declare 2 n number; 3 begin 4 n :='IMPORT','TABLE','DB01'); 5 DBMS_DATAPUMP.metadata_filter(n,'NAME_LIST','''T1'''); 6 DBMS_DATAPUMP.metadata_remap(n,'REMAP_TABLE','T1','T3'); 7 DBMS_DATAPUMP.start_job(n); 8 DBMS_DATAPUMP.WAIT_FOR_JOB(n,:job_state); 9 end; 10 / declare * ERROR at line 1: ORA-39001: Invalid parameter value ORA-06512: In "SYS.DBMS_SYS_ERROR", line 79 ORA-06512: In "SYS.DBMS_DATAPUMP", line 3507 ORA-06512: In "SYS.DBMS_DATAPUMP", line 5296 ORA-06512: In line 4

Comment on better than CTAS by Adrian Hollay

Tue, 16 Jan 2018 18:12:33 +0000

Working in 12c: create table t2 (x primary key) as select * from t1;

Comment on better than CTAS by Laurent Schneider

Thu, 11 Jan 2018 15:50:43 +0000

thanks for the hint. indeed, you need to rename those too SQL> drop table t1 Table dropped. SQL> drop table t2 Table dropped. SQL> create table t1(x number constraint p1 primary key using index (create unique index i1 on t1(x)) ) Table created. SQL> set autop on SQL> var job_state varchar2(30) SQL> declare n number; begin n := ('IMPORT', 'TABLE', 'DB01'); DBMS_DATAPUMP.metadata_filter(n, 'NAME_LIST','''T1'''); DBMS_DATAPUMP.metadata_remap(n, 'REMAP_TABLE','T1','T2'); DBMS_DATAPUMP.metadata_remap(n, 'REMAP_TABLE','P1','P2'); DBMS_DATAPUMP.metadata_remap(n, 'REMAP_TABLE','I1','I2'); DBMS_DATAPUMP.start_job (n); DBMS_DATAPUMP.WAIT_FOR_JOB(n, :job_state); end; PL/SQL procedure successfully completed. job_state ------------------------------ COMPLETED SQL> select dbms_metadata.get_ddl('TABLE','T2') from dual DBMS_METADATA.GET_DDL('TABLE','T2') --------------------------------------- CREATE TABLE "SCOTT"."T2" ( "X" NUMBER, CONSTRAINT "P2" PRIMARY KEY ("X") USING INDEX ( CREATE UNIQUE INDEX "SCOTT"."I2" ON "SCOTT"."T2" ("X") PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS TABLESPACE "ADMIN" ) ENABLE ) SEGMENT CREATION DEFERRED PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING TABLESPACE "ADMIN"

Comment on better than CTAS by Outón

Thu, 11 Jan 2018 15:20:33 +0000

I think this method has a problem with named indexes/contraints

Comment on sqlnet.ora, sqlplus.exe and tnsping.exe inconsistencies by Pratik Mehta

Sat, 11 Nov 2017 10:33:58 +0000

interesting observation!

Comment on -ignoreDiskWarning by scorch

Tue, 07 Nov 2017 10:23:57 +0000

thank you, that helped perfectly for the automation I am working on.