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Don Burleson Blog 








Interfacing Oracle with Windows scripts

Oracle Database Tips by Donald Burleson

Veterans of UNIX (Solaris, HP/UX) and Linux knows that these environments offer superb environments for writing automated procedures (ksh, bash, etc.).  However, we are more limited in Windows when we want to create scripts that interface with Oracle.  There are many third-party tools (e.g. SFU, Windows Services for Unix), but it can be handy to be able to invoke Oracle from a standard DOS command list file.

This blog notes the DOS command line interface to Oracle in this Windows bat file executable:

@ECHO off
SET DBUser=%1
SET DBPass=%2
SET LOG=\temp\test\

ECHO spool %LOG%OraCall.log                                 > %LOG%OraCall.sql
ECHO set linesize 132                                      >> %LOG%OraCall.sql
ECHO COL x_tns      NEW_VALUE v_tns      NOPRINT           >> %LOG%OraCall.sql
ECHO COL x_dbid     NEW_VALUE v_dbid     NOPRINT           >> %LOG%OraCall.sql
ECHO COL x_dbname   NEW_VALUE v_dbname   NOPRINT           >> %LOG%OraCall.sql
ECHO SELECT '%DBTNS%'  x_tns      FROM dual;               >> %LOG%OraCall.sql
ECHO SELECT dbid       x_dbid     FROM v$database;         >> %LOG%OraCall.sql
ECHO SELECT name       x_dbname   FROM v$database;         >> %LOG%OraCall.sql
ECHO @SQLSelect.sql                                        >> %LOG%OraCall.sql
ECHO spool off                                             >> %LOG%OraCall.sql
ECHO exit                                                  >> %LOG%OraCall.sql
sqlplusw -s "%DBUser%/%DBPass%@%DBTNS%" @%LOG%OraCall.sql   > %LOG%OraCall.lst

The trick is that the SQL*Plus invocation spool the output on a single command line:

sqlplusw -s "%DBUser%/%DBPass%@%DBTNS%" @%LOG%OraCall.sql   > %LOG%OraCall.lst

For working Oracle Windows Scripts, Jeff Hunter, author of "Conducting the Java Job Interview" has working Windows Oracle scripts here, including JavaScript/Oracle and visual basic/Oracle interface scripts:
Script Name

Lets examine Hunter's export___.bat Oracle Windows script.  Note that he builds the exp parfile arguments into a DOS variable called %PARFILE%, just like you can invoke Oracle directly from the DOS prompt (on one line only) : e.g.    

c:> exp=%PARFILE%:

REM +--------------------------------------------------------------------------+
REM | VALIDATE COMMAND-LINE PARAMETERS                                         |
REM +--------------------------------------------------------------------------+

if (%1)==() goto USAGE
if (%2)==() goto USAGE
if (%3)==() goto USAGE

REM +--------------------------------------------------------------------------+
REM | VALIDATE ENVIRONMENT VARIABLES                                           |
REM +--------------------------------------------------------------------------+

REM set ORABACKUP=C:\oracle\orabackup\JEFFDB\export
REM set ORALOG=C:\oracle\custom\oracle\log
REM set ORATMP=C:\oracle\custom\oracle\temp

if (%ORALOG%)==() goto ENV_VARIABLES
if (%ORATMP%)==() goto ENV_VARIABLES

REM +--------------------------------------------------------------------------+
REM | DECLARE ALL GLOBAL VARIABLES.                                            |
REM +--------------------------------------------------------------------------+

set FILENAME=export_backup_online_full_9i
set TNS_ALIAS=%3%

REM +--------------------------------------------------------------------------+
REM | REMOVE OLD LOG AND PARAMETER FILE(S).                                    |
REM +--------------------------------------------------------------------------+

del /q %PARFILE%
del /q %LOGFILE%

REM +--------------------------------------------------------------------------+
REM | WRITE EXPORT PARAMETER FILE.                                             |
REM +--------------------------------------------------------------------------+

echo buffer=50000000 >> %PARFILE%
echo file=%DUMPFILE% >> %PARFILE%
echo compress=n >> %PARFILE%
echo grants=y >> %PARFILE%
echo indexes=y >> %PARFILE%
echo direct=no >> %PARFILE%
echo log=%LOGFILE% >> %PARFILE%
echo rows=y >> %PARFILE%
echo consistent=y >> %PARFILE%
echo full=y >> %PARFILE%
REM echo owner=(SCOTT) >> %PARFILE%
REM echo tables=(EMP, DEPT) >> %PARFILE%
echo triggers=y >> %PARFILE%
echo statistics=none >> %PARFILE%
echo constraints=y >> %PARFILE%

REM +--------------------------------------------------------------------------+
REM | MOVE OLD EXPORT (DUMP) FILE.                                             |
REM +--------------------------------------------------------------------------+

del /q %DUMPFILE%.backup
move %DUMPFILE% %DUMPFILE%.backup

REM +--------------------------------------------------------------------------+
REM | PERFORM EXPORT.                                                          |
REM +--------------------------------------------------------------------------+

exp parfile=%PARFILE%

REM +--------------------------------------------------------------------------+
REM | SCAN THE EXPORT LOGFILE FOR ERRORS.                                      |
REM +--------------------------------------------------------------------------+

echo ...
echo Analyzing log file for EXP- errors...
findstr /I /C:"EXP-" %LOGFILE%
if errorlevel 0 if not errorlevel 1 echo EXP- Errors:  %FILENAME% %TNS_ALIAS% %COMPUTERNAME% %DATE% %TIME% %LOGFILE%

echo ...
echo Analyzing log file for ORA- errors...
findstr /I /C:"ORA-" %LOGFILE%
if errorlevel 0 if not errorlevel 1 echo ORA- Errors:  %FILENAME% %TNS_ALIAS% %COMPUTERNAME% %DATE% %TIME% %LOGFILE%

echo ...
echo Analyzing log file for warnings...
findstr /I /C:"Export terminated successfully with warnings" %LOGFILE%
if errorlevel 0 if not errorlevel 1 echo WARNING: %FILENAME% %TNS_ALIAS% %COMPUTERNAME% %DATE% %TIME% %LOGFILE%

echo ...
echo Analyzing log file for errors...
findstr /I /C:"Export terminated unsuccessfully" %LOGFILE%
if errorlevel 0 if not errorlevel 1 echo ERROR: %FILENAME% %TNS_ALIAS% %COMPUTERNAME% %DATE% %TIME% %LOGFILE%

echo ...
echo Filename      : %FILENAME%
echo Database      : %TNS_ALIAS%
echo Hostname      : %COMPUTERNAME%
echo Date          : %DATE%
echo Time          : %TIME%
echo EXP Log File  : %LOGFILE%


If you like Oracle tuning, you may enjoy my new book "Oracle Tuning: The Definitive Reference", over 900 pages of BC's favorite tuning tips & scripts. 

You can buy it direct from the publisher for 30%-off and get instant access to the code depot of Oracle tuning scripts.



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