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,

2146

----> 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 4708

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

CTS,

1 2588

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

Societe Generale,

1 3542

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

Fintellix,

1 2940

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 8578

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 3083

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 2637

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

Fintellix,

1 2943

Whis is not false in primary key?

Fintellix,

1413

What is Histogram?

NIIT,

1516

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 2996

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 2424

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

1547

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

1388

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Un-Answered Questions { SQL PLSQL }

What is the use of primary key?

967

What is serial sql?

929

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

1006

Explain exception handling in pl/sql?

997

What is an emotional trigger?

940

Explain foreign key in sql?

974

What is crud diagram?

887

Why schema is used in sql?

997

What is the use of prepared statement?

962

What is difference between group by and partition by?

991

How do you run a query?

964

What will you get by the cursor attribute sql%notfound?

1020

What is a procedure in pl sql?

1142

What are keys in sql?

953

How much does a sql dba make? : SQL DBA

895

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