Which query operators in sql is used for pattern matching?

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How do you update f as m and m as f from the below table testtable?

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what are the differences among rownum, rank and dense_rank? : Sql dba

0 Answers  

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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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Differentiate between % rowtype and type record.

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How many sql statements are used?

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What is a schema in sql?

1 Answers  

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Can we relate two different tables from two different users in ORACLE,PL/SQL?

4 Answers  

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can we use out parameter in a function?Give an example.

4 Answers   Logica CMG, TCS,

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we have a package and we have grants to execute that package inside of that we have table, here we don't have privileges to this table? whether this package will execute or not?

3 Answers   TCS,

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How to add, remove, modify users using sql?

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In a PL/SQL block,which loop type should be used in a performance point of view & Why (as both loops can do the same task) 1) open - Fetch loop 2) for loop

4 Answers   JDA,

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