checking redhat linux version
cat /etc/redhat-release
Find_table_size.sql
set lines 120 pages 500 col owner format a30 col segment_name format a30 col tab_sum format 999999999999999 col indx_sum format 999999999999999 col MB format 999999999 accept pvm_owner prompt ‘Enter Owner Name -> ‘ accept pvm_table prompt ‘Enter Table Name -> ‘ select tab.owner, tab.segment_name, tab.tablespace_name, (tab_sum+indx_sum)/(1024*1024) MB from (select p.owner, p.segment_name, p.tablespace_name, sum(p.bytes) tab_sum from…
Database link password in user_db_links
Problem Description: ~~~~~~~~~~~~~~~~~~~~ Database link passwords are stored as plaintext. A database link is a mechanism used to provide a method of transparently accessing one server from another. When creating a database link, a user name and password of the account on the remote server can be specified. Creating the database link without credentials works…
find_err.sql for finding errors from dba_errors.
set lines 120 pages 200 col line format 9999 col position format 999 col text format a80 select line, position, text from dba_errors where owner= upper(‘&owner_name’) and name = upper(‘&obj_name’) order by SEQUENCE;
More info about /proc folder and its relation with processes.
One of the most interesting directories on any Linux system is /proc, a virtual filesystem that provides a plethora of information on the hardware of the running system, and of the various processes running. In fact, many programs such as ps and top obtain their information by mining /proc. Some well-known virtual files in /proc…
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process id based files and processes
Following command can be used to find files used by specific processid. $ pfiles process_id Following command can be used to find files used by specific processid. $ pmap process_id
cold backup scripts to copy locally
==>cat SOX_BACKUP.ksh #!/usr/bin/ksh # +———————————————————————— # | Usage : ./SOX_BACKUP.ksh # | Description : Cold Backup of Database. Automatically starts/stop the DB. # +———————————————————————— . /export/home/oracle/FLRSTB.env sqlplus -s /nolog /mnt/ORACLEBACKUP/files.log connect / as sysdba set term off set feedback off; set head off; set pagesize 150 select name||’ /mnt/ORACLEBACKUP/FLRPRD’ from v$datafile; exit; EOF cat /mnt/ORACLEBACKUP/files.log|grep…
Oracle 10g for solaris 10
Oracle 10g for Solaris 10 I got error message “Checking operating system version: must be 5.8 or 5.9. Actual 5.10 Failed
Error Handling in Proc
There is a standard way of trapping any SQL or database errors in Pro*C.This is done using EXEC SQL WHENEVER SQLERROR DO ; just ensure that the above statement goes before any sql statements whenever an error is encountered , the control goes to the function function_name in the body of the function_name , just…
Proc code
1. EXEC SQL COMMIT WORK RELEASE; (When you want to commit transactions and disconnect;similar to EXIT in SQL*PLUS) 2. EXEC SQL ROLLBACK WORK RELEASE; (When you want to rollback transactions and disconnect;similar to QUIT in SQL*PLUS)