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,

1694

----> 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 3494

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

CTS,

1 1823

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

Societe Generale,

1 2895

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

Fintellix,

1 2201

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 7420

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 2440

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 1982

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

Fintellix,

1 2280

Whis is not false in primary key?

Fintellix,

977

What is Histogram?

NIIT,

1103

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 2236

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 1651

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

1067

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

930

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Un-Answered Questions { SQL PLSQL }

Which is better join or inner query?

520

How do I truncate a sql log file?

540

What are inbuilt functions in sql?

602

How do I remove sql developer from windows 10?

511

What are the operators in sql?

531

What is multiple columns?

574

What is sql comments?

652

Define SQL and state the differences between SQL and other conventional programming Languages?

686

what does it mean to have quoted_identifier on? What are the implications of having it off? : Sql dba

530

what are null values? : Sql dba

546

what is recursive stored procedure? : Sql dba

529

What is the difference between microsoft access and sql server?

533

Do triggers have restrictions on the usage of large datatypes, such as long and long raw?

691

what is rdbms? : Sql dba

583

What are the features of pl sql?

563

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