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Top Forums Shell Programming and Scripting Calling SQL scripts through Shell Script Post 302076033 by madhunk on Thursday 8th of June 2006 10:02:33 AM
Old 06-08-2006
Thank you for the advice Thomas..

I did get an idea of what you gave me....

I have to truncate the opposite table and then use this sqlldr script to load the table. I have already written a generic sqlldr script to load the table...

Code:
#!/usr/bin/ksh

USERID=$1
CONTROL_FILE=$2
DATA_FILE=$3

$ORACLE_HOME/bin/sqlldr UN/PW@DB control=$SCRIPT_DIR/${CONTROL_FILE} log=$SCRIPT_DIR/${CONTROL_FILE}.log data=$FILES/temp/${DATA_FILE}

I will have to use this generic script to load the table. But the table name is hard coded in the Control File....
Do I require two different control files?

One for table A and another for table B.

Control File:
Code:
LOAD DATA
append
INTO TABLE METADATA_A
FIELDS TERMINATED BY X'09'
TRAILING NULLCOLS
(
 PRODUCT_CD "SUBSTRB(:PRODUCT_CD , 1, 30)"
,NAME "SUBSTRB(:NAME , 1, 30)"
,NO_CUSTOM_VALUE "SUBSTRB(:NO_CUSTOM_VALUE , 1, 1)"
,CUSTOM_VALUE1_NAME "SUBSTRB(:CUSTOM_VALUE1_NAME , 1, 30)"
,CUSTOM_VALUE1_TYPE "SUBSTRB(:CUSTOM_VALUE1_TYPE , 1, 1)"

.................

Please advise...

Thank You,
Madhu
 

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DROP 
TABLE(7) SQL Commands DROP TABLE(7) NAME
DROP TABLE - remove a table SYNOPSIS
DROP TABLE name [, ...] [ CASCADE | RESTRICT ] INPUTS name The name (optionally schema-qualified) of an existing table to drop. CASCADE Automatically drop objects that depend on the table (such as views). RESTRICT Refuse to drop the table if there are any dependent objects. This is the default. OUTPUTS DROP TABLE The message returned if the command completes successfully. ERROR: table "name" does not exist If the specified table does not exist in the database. DESCRIPTION
DROP TABLE removes tables from the database. Only its owner may destroy a table. A table may be emptied of rows, but not destroyed, by using DELETE. DROP TABLE always removes any indexes, rules, triggers, and constraints that exist for the target table. However, to drop a table that is referenced by a foreign-key constraint of another table, CASCADE must be specified. (CASCADE will remove the foreign-key constraint, not the other table itself.) NOTES Refer to CREATE TABLE and ALTER TABLE for information on how to create or modify tables. USAGE
To destroy two tables, films and distributors: DROP TABLE films, distributors; COMPATIBILITY
SQL92 SQL - Language Statements 2002-11-22 DROP TABLE(7)
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