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 7887

Temporary table vs Table variable in sql server?

Wipro,

2442

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 16612

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

1 6436

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 8563

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

2067

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,

2602

what is the difference between pragma exception_init and raise_application_error

Aetins, State Street,

1 36673

What is difference between select statement and cursor

JDA,

3 21252

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 20073

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

Cap Gemini, Infosys, TCS,

4 18273

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

3 6960

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

1 4732

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

L&T,

2 6921

Which is the best place to learn hadoop?

1 5387

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Un-Answered Questions { SQL PLSQL }

Is sql a scripting language?

1083

What is benefit of creating memory optimized table?

1032

Is left join and outer join same?

1114

What is the difference between null value, zero, and blank space?

1252

what is denormalization. : Sql dba

1160

What is the use of partition by in sql?

1043

What is vector point function?

1094

What is trigger explain it?

1078

What is the sql query to display the current date?

1092

what is error ora-03113: end-of-file on communication channel?

1226

Can we group by two columns in sql?

1046

What is embedded sql in db2?

1061

Is ms sql is free?

1079

what are the different type of sql's statements ? : Sql dba

976

How can I make sql query run faster?

1065

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