How collections are improve the performance?

1 Answers   Polaris,

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Name the different types of indexes in sql and define them.

0 Answers  

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How can we link a sql database to an existing android app?

0 Answers  

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how would concatenate strings in mysql? : Sql dba

0 Answers  

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what are pl/sql collections?

4 Answers   JPMorgan Chase, Oracle,

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What are the properties of a transaction?

0 Answers  

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How to convert lowercase letters to uppercase and uppercase letters to lowercase in a string. (ex, AbcdEfG should convert as aBCDeFg)

3 Answers   TCS,

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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 pl sql data types?

0 Answers  

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What is the use of index in hive?

0 Answers  

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Which is the correct statement about truncate and delete?

0 Answers  

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What Is a Trigger? How Do You Use It?

3 Answers  

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