Hello Friends
Today, In this video I used to show you
How to Used Data pump Query Parameter.
In Query Parameter we can take export backup using particular query.
Suppose iwant to take a export backup of EMP table but in this table i want to take backup only department no 20.
so it is possible .
please watch this video and subscribe
In Some Methods i am showing you.
Method 1: (Using Parameter File)
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1. Create Table Test. (Create table scott.test as select * from scott.emp;)
2. Create Par file.
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directory=dump
dumpfile=d1.dmp
tables='SCOTT . TEST'
query=TEST:"WHERE deptno=20"
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Save this file test.par
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3. Go to Command Prompt
Export
expdp system/admin parfile='/u01/app/parag/test.par'
Import
impdp system/admin directory=dump dumpfile=d1.dmp tables='SCOTT . TEST'
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Method 2:
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1. Create Table Test. (Create table scott.test as select * from scott.emp;)
2. Go to Command Prompt
Export
expdp system/admin directory=dump dumpfile=d2.dmp tables='SCOTT . TEST '
query=TEST:\"WHERE deptno=20\"
Import
impdp system/admin directory=dump dumpfile=d2.dmp tables='SCOTT . TEST '
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