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 7485

Temporary table vs Table variable in sql server?

Wipro,

2351

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 16029

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

1 6250

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 8248

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

1970

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,

2498

what is the difference between pragma exception_init and raise_application_error

Aetins, State Street,

1 36469

What is difference between select statement and cursor

JDA,

3 20950

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 19644

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

Cap Gemini, Infosys, TCS,

4 17929

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

3 6708

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

1 4569

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

L&T,

2 6711

Which is the best place to learn hadoop?

1 5219

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Un-Answered Questions { SQL PLSQL }

What is compound trigger?

974

What are the indexing methods?

1009

What is schema in sql example?

1108

How delete all data from all tables in sql?

897

What are sql constraints?

1147

What is execution plan in sql?

991

What is the difference between nested table and varray?

961

What is example of database?

998

What is union and union all keyword in sql?

983

Can we create index on primary key?

923

Can you have more than one key in a database?

896

What is database sql?

1003

What is trigger in pl sql?

962

Why do we use sqlite?

921

Write a query to find the names of users that begin with "um" in sql?

937

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