SQL PLSQL Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

I have a tablle like this. cust acc --------------- a 1 b 2|3 c 4|5|6 I Want below o/p: cust acc ----------- a 1 b 2 b 3 c 4 c 5 c 6 Please any one can you have any ideas share me. I have urgent requirement.

Cap Gemini, MTS,

4 12388

How to find only %th Highest Sal

Infogain, Symphony,

6 12230

How will you make performance better for application including front end and back

Metric Stream,

2 9799

Name Salary Abc 50000 Abc 50000 xyz 20000 find the max salary using aggregate function?

CTS,

2 10593

What are the Diff B/W Cursor and REF Cursor

CTS,

3 13102

difference between table level constraint and column level and advantages of table level constraint

Doyensys,

4 15597

I have 2 packages A and B. Now package A references Package B and Package B references Package A. How do you compile such inter-dependent objects in PL/SQL

Doyensys, Infosys, Metric Stream,

5 19318

I have a table .in the table 100 recored is there .we have get the single row with out using clause..

3 9257

In table a 1lakh data is present,in table b 20 thousand data is present, to get unique data from table a and b which join to be considered. whether right outer join or left inner join.

GE,

2 5313

I have 2 table A and B. In A 1 lakh record is present. In b 20 thousand data is present. To get the unique data from table A and B which join we should prefer left inner join or right outer join. Please answer.

GE,

4 9919

if table named a is there and 4 records are there then how to swap (1 and 3) and (2 and 4) records at a time

1 3793

. have a tablle like this: cust acc ----------- a 1 b 2 b 3 c 4 c 5 c 6 I Want below o/p: cust acc --------------- a 1 b 2|3 c 4|5|6 Please any one can you have any ideas share me. I have urgent requirement. CUST ACC a dv b fg b bh c mk c cl c so result:- A B c dv fg mk bh cl so

3 6330

when normalization is required

HCL,

3 7770

can i create trigger on synonym is it possible or not please help me

CGI,

4 10962

I Defined SP1, Sp2 (sp=StoreProcedures)In Package Specification but I Implemented Sp1, sp2, sp3, sp4, sp5 then What type of Error You will find????

Infosys,

3 11661

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Un-Answered Questions { SQL PLSQL }

What is mutating trigger?

1017

explain normalization concept? : Sql dba

1043

what are the differences between public, private, protected, static, transient, final and volatile? : Sql dba

1028

What are sql data types?

1015

Can a table contain multiple primary key’s?

1092

What type of database is cloud sql?

1092

What is before trigger?

997

what is bdb (berkeleydb)? : Sql dba

1028

Can function return multiple values in sql?

1049

Is sql a microsoft product?

944

How do I count rows in sql?

997

How many postgresql users are there, worldwide?

1056

What is delimiter in pl sql?

1053

How to move files from one directory to another in pl sql?

1184

What is the difference between execution of triggers and stored procedures?

1105

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