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 u find column name from a table which have max value in a row.( not max value)

5 7696

Temporary table vs Table variable in sql server?

Wipro,

2392

How to retrieve a second highest salary from a table? Note:Suppose salaries are in duplicate values eg: Name Sal Malli 60000 Pandi 60000 Rudra 45000 Ravi 45000

Mind Tree, Polaris, Sonata,

10 16366

what is difference between pass by value and eference by value in oracle plsql

1 6346

Source is Sales Table: Sno Prod Sales Sales_Amount 1 A 10 2000 2 A 20 1000 3 C 10 3000 4 D 30 4000 5 A 20 1000 Target : Sales_Count T_Sales_Amt Sales_Count(A) T_Sales_Amt(A) 90 11000 50 4000 In single query, pls tell me.

CGI,

5 8387

Hi am new to PLSQL & facing problems in writing code like in SP, Functions, so any one having some SP coding with in depth explanation please share with me my Email ID suvarnaatsuvarna@rediffmail.com Or taking tanning on this please do contact me

2023

Hi how to import oracle sequence in Informatica? Please write stored procedure code that will import oracle sequence in Informatica SP transformation as per below scenario Oracle table product list Pro_id, pro_name 101, LED Lights. 102, 20watt CFL Lights. 103, 30 watt CFL lights Now a new flat file with new product list needs to be added to oracle table product list with oracle sequence. flat file product Prono,pro_name, 1, 20 watt tube light 2, 30 watt tube light & target should be like 101, LED Lights. 102, 20watt CFL Lights. 103, 30 watt CFL lights. 104, 20 watt tube light 105, 30 watt tube light thks reg suvarna joshi suvarnaatsuvarna@rediffmail.com

TCS,

2554

what is the difference between pragma exception_init and raise_application_error

Aetins, State Street,

1 36563

What is difference between select statement and cursor

JDA,

3 21100

What will be the output of this Query? select to_char(trunc(add_months(sysdate-3),mm),mm/dd/yyyy) from dual

Cap Gemini, TCS,

6 19834

What are the steps you take to tune(performance tuning) the code in plsql?

Cap Gemini, Infosys, TCS,

4 18111

HOW TO ADD PRIMARY KEY TO TABLE BY PL/SQL PROGRAM

3 6846

why not null constraint showing its constraint type as 'c'

1 4649

What is the basic difference between a sql and stored procedure ?

L&T,

2 6818

Which is the best place to learn hadoop?

1 5314

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Un-Answered Questions { SQL PLSQL }

Can we rollback after truncate?

1031

what is an execution plan? When would you use it? How would you view the execution plan? : Sql dba

978

How to get each name only once from an employee table?

1115

how do you login to mysql using unix shell? : Sql dba

1079

What is compilation error in pl sql?

976

What is difference between sql and oracle?

1128

Why do we use joins in sql?

970

What is sqlcommand?

1027

How much does sqlite cost?

1036

What is cursor and its types?

1071

what is csv? : Sql dba

996

What are crud methods?

1036

Is it possible to read/write files to-and-from PL/SQL?

1101

How to download oracle sql developer?

1104

What is identity column in sql server?

1048

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