What are sql*plus environment variables?

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Mention what does plvtab enables you to do when you showthe contents of pl/sql tables?

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How many disk partitions should I have?

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What is pl sql collection?

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What are database links used for?

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What does trigger mean in slang?

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4. Select sum(A.salary) +sum(B.salary) as TOT_SAL from ( select LEVEL emp_id,level*100 salary,case when mod (level,2)=0then 2 else null end dept_id from dual connect by level<6 )A right outer join (select level emp_id ,level*200 salary ,case when mod (level,3)=0 then 2 else null end dept_id from dual connect by level<6)B On A.dept_id=B.dept_id And A.emp_id=B.emp-id;

1 Answers   Fintellix,

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What are the types of variables use in pl sql?

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what is offset-fetch filter in tsql? : Transact sql

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what is the forward decleration in packages?

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Explian rowid, rownum?

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Which sql statement is used to delete data from a database?

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