What is an alias command?

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Is pl sql useful?

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What are field types?

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What is a natural join sql?

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why should required nested tables, Object types, partition tables and varying arrays. what is the difference between these are all. give me example with explanation.

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Is it possible to sort a column using a column alias?

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How do I write a cron which will run a sql query and mail the results to agroup?

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Easy way to convert tableau "IF - ELSEIF" statements to Netezza "CASE" statements.

1 Answers   CTS,

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How do you sort in sql?

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What is the use of triggers?

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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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Is primary key is clustered index?

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