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

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

write sub query for eliminating duplicate rows using analytical function?

Metric Stream,

3 13003

what is switch column,colums cost in oracle?

Metric Stream,

3678

what are the tunnig tables you used for tuning a query and tell me some of coloumns in that tuning tables?

Metric Stream,

1 9314

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?

TCS,

3 8876

display records from 5 to 9 using rowid or rownum

Agile Software,

5 16051

How to update salary of employees department wise?

6 15194

what are the methods using performance tunning in sql and pl/sql

2 6629

i have a table like this. i want to output like this c1 c2 c1 c2 1 10 1 10 2 20 2 30 3 30 3 60 4 40 4 100 5 5 5 105 c1 and c2 are columns in a table .i want output like this c2 values are 10,10+20,10+20+30,10+20+30+40.10+20+30+40+5. write a sql query.pls help this i want urgent.

IBM, Loginworks, OFSS,

2 10660

How do you display "13th of November, 17 days left for month end" without hardcoding the date.

3 7359

How do you use collections in procedure to return the resultset?

2238

How to get second highest salary from a table

3 7168

What is the maximum number of triggers,can apply to a single table?

2 8875

What packages(if any) has oracle provided for use by developers?

1 5811

25.67,-1 Trunc = 20 Round= 30 HOW????

Karrox,

2 7722

i have a customer table. trans_id trans_date trans_amt debit_credit_indicator 001 01-JAN-13 1099 cr 001 12-JAN-13 500 db 002 24-FEB-13 400 db 002 23-MAR-13 345 cr 001 18-APR-13 800 cr 002 15-MAR-13 600 db 001 12-FEB-13 200 cr i want like this output. trans_id trans_amt debit_credit_indicator i want get highest credit amount and lowest credit amount and highest debit amount and lowest debit amount for each trans_id.

Oracle,

2 6221

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Un-Answered Questions { SQL PLSQL }

What are the triggers associated with image items?

1042

How many unique keys can a table have?

1016

What are the query optimization techniques?

936

Is sqlexception checked or unchecked?

968

how to rename an existing table in mysql? : Sql dba

1064

How do you optimize a stored procedure query?

998

Can we join more than 2 tables in sql?

1022

Can we use ddl statements in stored procedure sql server?

1011

What is sql query optimization?

1122

what is 'mysqlimport'? : Sql dba

1054

How do you modify a table in sql?

1126

Can we create clustered index without primary key?

964

Do we need commit after truncate?

1085

How do you delete duplicates in sql query using rowid?

946

State few characteristics of pl/sql?

971

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