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

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

What is AUTH_ID and AUTH_USER in pl/sql ?

INDUS,

2231

----> There is a table T with two columns C1 and C2. The data is as below: C1 C2 1 4 2 5 3 6

ICICI,

4 5005

Easy way to convert tableau "IF - ELSEIF" statements to Netezza "CASE" statements.

CTS,

1 2752

Write a sql to print only character form the below string. @So&*CIE%$TE@GEN!@RAL

Societe Generale,

1 3698

1. Which is an aggregate function? a. Union b. like c. max d. Rank

Fintellix,

1 3115

2. Select A.A from ( select 1 as from dual Union select 1 as from dual)A Full outer join ( select 1 B from dual Union select 2 B from dual)B On A.A=B.B

Fintellix,

2 8789

3. Select sum(a) sum_1,max(a) max_1 ,count(a) count_1 from ( ( select 1 a from dual union all Select to_number(‘2011’) a from dual union all select 1 a from dual) union select 2 b from dual);

Fintellix,

1 3205

4. Select sum(A.salary) +sum(B.salary) as TOT_SAL from ( select LEVEL emp_id,level*100 salary,case when mod (level,2)=0then 2 else null end dept_id from dual connect by level<6 )A right outer join (select level emp_id ,level*200 salary ,case when mod (level,3)=0 then 2 else null end dept_id from dual connect by level<6)B On A.dept_id=B.dept_id And A.emp_id=B.emp-id;

Fintellix,

1 2792

7. Where would you look for errors from the database design?

Fintellix,

1 3107

Whis is not false in primary key?

Fintellix,

1514

What is Histogram?

NIIT,

1606

I have following column in the table. col1 1 a b c 2 3 d and I want to display it as num chars 1 a 2 b 3 c 4 d numbers in one column and letters in another column.

IBM, Saama Tech,

1 3179

How we get all_group_function's(Sum,avg,count,max and min_value of a column(Sal) Using pl/sql anonymous block, with out using group function's. You shouldn't use more than one select statement in entire the program. Like cursor c is select * from ; except this you can't use another select statement. You can use no of variables as per requirement.

1 2590

i have a column which may contain this kind of value: 123*67_80,12*8889_5,34*8_874 ,12*7_7 (can contain space before a comma, and this string length can be anything) now i want to split this value into two column like: column1: 123*67,12*8889,34*8,12*7 column2: 80,5,874,7 use function for this

1625

What are local and global Indexes and where they are useful.

1490

Post New SQL PLSQL Questions

Un-Answered Questions { SQL PLSQL }

What is difference between inner join and self join?

1131

How can we avoid duplicating records in a query?

1029

what is meant by urlencode and urldocode? : Sql dba

1229

What is database sql?

1091

what are all types of user defined functions? : Sql dba

1082

What is difference between function and trigger?

1105

How to move files from one directory to another in pl sql?

1242

how do you know if your mysql server is alive? : Sql dba

1121

is it possible to pass an object or table to a procedure as an argument?

1176

What is numeric function sql?

1101

What is offset and limit in sql?

1099

What is PL/SQL Records?

1247

What is set serveroutput on in pl sql?

1355

What is sql and also describe types of sql statements?

1108

What is the limitation on the block size of pl/sql?

1032

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