SQL PLSQL Interview Questions
Questions Answers Views Company eMail

What is AUTH_ID and AUTH_USER in pl/sql ?

INDUS,

996

----> 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 1548

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

CTS,

1 886

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

Societe Generale,

1 1803

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

Fintellix,

1 1102

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,

1 2658

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 1477

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 1031

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

Fintellix,

1 1339

Whis is not false in primary key?

Fintellix,

443

What is Histogram?

NIIT,

552

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,

1 625

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.

1 540

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

356

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

381


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Un-Answered Questions { SQL PLSQL }

How to call a javascript function from pl sql?

56


what is top in tsql? : Transact sql

81


What is dialect in sql?

56


What is primary key sql?

52


Is sql better than excel?

56






What does the hierarchical profiler does?

104


Define commit?

84


What are different methods to trace the pl/sql code?

95


what are numeric data types? : Sql dba

82


What are the benefits of stored procedures?

63


what is oracle database ? : Sql dba

92


Which is faster count (*) or count 1?

55


What is the syntax to add a record to a table?

79


What are sql functions? Describe the different types of sql functions?

87


What is trigger explain it?

50