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

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

How can we Get the Updated Rows? ie, There is 100s of Rows i updated the Rows who have salary 5000. then i want to select the Updated Rows. How can we achieve it?

Fidelity, KCP,

4 15815

IN A TABLE HAVE ONE COLUMN PRIMARY KEY..IT WILL NOT ALLOWS NULL VALUES AND DUPLICATE VALUES..INSTEAD OF PRIMARY KEY WHY CANT WE USE UNIQUE AND NOT NULL.THESE TWO ALSO DOESNT ACCEPT NULL VALUES IN NOT NULL AND UNIQUE DOESNT ACCEPT DUPLICATE VALUES? SO WHAT IS THE DIFEERENCE BETWEEN(UNIQUE,NOT NULL) AND PRIMARY KEY??????

rsystems,

8 10516

how will be date change into string

4 6374

i have a table with fields(id,name,accnt_type)and in account type are FD,SAVING,RD. Write a query to get How many number of People are in each type of Account?

Fidelity, IBM,

6 13870

I need to write a simple query,which one is better select statement or stored procedure?and why?

iGate,

2 7022

how can we write a column values horizontal by using sql stmt; ex: select name from table_name;(actual output) a b c d require output is a b c d

Honeywell, Interact,

5 13607

how will you find out the last three records in a table with n no of records and delete them

3 6103

i have a word ***********hello********world******. I require a o/p **********hello world**********, Need to delete the middle stars.

3 6816

If we have n no of columns in a table, can we add new column in that table with not null constraint?

2 5886

in sql table following column r there i want find 1st paid ,2nd paid,3rd paid date for same |service_type|date |vehicle_no| |------------|------|_---------| |paid |23 jan|MH12H2007 | | | | | |paid |26 feb|MH12H2007 | | | | | | | | | |paid |28 mar|MH12H2007 | i want o/p like below vehicle no| 1st paid date | 2nd paid date|3rd paid |latest paid date| pls help me out

4 5896

pl/sql testing means what ...... explain process how to find pl/sql bugs

Zensar,

1 5610

in oracle 10g sw after compiling procedure how to pass parameter values ,if we (v_empid out number)how to give empid after successful compilation program.This site exact suitable for 10g with respect to question & answer same format , im trying sql browser & sql command prompt using exec procedure name & respective parameters.

2084

in sql table follw columns r their vehicle_no|servicetype|date|location| 1234 |1FS |1-JAN|PUNE| 4561 |2FS |5-JAN|PUNE| 1234 |PS |7-JAN|PUNE| 1234 |PS |15-JAN|MUMB| i want o/p below vehicleno|1fs|1fsdate|1fslocation|1ps|1PSDATE|1PSLOC|2PS|2PS DATE|2PSLOCA e.g 1234|1FS|1JAN|PUNE|1PS|7JAN|PUNE|2PS|15JAN|MUMBAI PLS help me out to execute using sql query

1 3189

We have a CURSOR then we need BULK COLLECT?

1 3627

what is the main difference between join and subqurey?

Oracle,

3 7643

Post New SQL PLSQL Questions

Un-Answered Questions { SQL PLSQL }

what are integrity rules?

1026

What is break?

1197

What is execution plan in sql?

1048

how can we submit a form without a submit button? : Sql dba

987

Mention what is the function that is used to transfer a pl/sql table log to a database table?

992

Is sqlite free?

975

what is a field in a database ? : Sql dba

1058

What is the requirement of self-join?

1133

How do I view tables in sql developer?

951

What is substitution variable in pl sql?

1044

How do I sort a table in sql?

1047

What is the difference between delete and truncate commands?

1042

What is aggregate function in sql?

1040

how can we destroy the cookie? : Sql dba

1011

What is optimistic concurrency control? : Transact sql

984

For More Un-Answered { SQL PLSQL } Questions Click Here