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SQL PLSQL Interview Questions
Questions Answers Views Company eMail

What is AUTH_ID and AUTH_USER in pl/sql ?

INDUS,

1972

----> 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 4219

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

CTS,

1 2263

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

Societe Generale,

1 3263

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

Fintellix,

1 2584

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 8146

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 2790

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 2356

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

Fintellix,

1 2683

Whis is not false in primary key?

Fintellix,

1209

What is Histogram?

NIIT,

1323

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 2674

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 2064

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

 1343

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

 1186

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Un-Answered Questions { SQL PLSQL }

What are some emotional triggers?

788

How do I view a view in sql?

736

Why we use cross join?

740

What does stand for in sql?

745

How to raise user-defined exception with custom sqlerrm ?

906

What is pivot table in sql?

805

How to check if a column is nullable before setting to nullable?

832

what happens if you no create privilege in a database? : Sql dba

766

What is count * in sql?

778

What is cold data?

718

What is trigger and types?

791

Do prepared statements prevent sql injection?

737

Mention what does plvtab enables you to do when you showthe contents of pl/sql tables?

942

What are stuff and replace function?

826

Explain the update statement in sql

768

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