This presentation show different questions are asked in interviews for post of SQL, PLSQL Developer in IT Industry. This gives in idea how question fired to candidates.

1. Interview Question
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Oracle PLSQL

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Presentation By
Manish Tiwari,
Assistant Professor,
Software Engineer,
Computer Science and Application

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3. Email: tiwarikmanish@gmail.com
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Find Notes at

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Today’s Agenda
3. Interview Questions for Oracle PLSQL

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1. Tell me about yourself ?

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Q. 2. What is difference between Anonymous block and Named Block ?
Anonymous Block:
Named Blocked:
Answer is

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Q. 3 What are the different types of the cursor ?

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Q. 4 What are the ref cursor?

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Q. 5 What is trigger ?

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Q. 6 How many types of trigger are in the oracle database?

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Q. 7 What is mutating errors?

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Q. 8 What is difference between procedure and function?

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Q. 8 How many types of trigger are in the oracle database?

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Q. 9 What are predefined exception, name any two?

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Q. 10 Explain substr function?

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Q. 11 Explain instr function ?

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Q. 12 Write a code to count number of commas in string “A,B,C,D,” .

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Q. 13 What is different between %Type and %RowType ?
%rowtype: This is structure is used to define records like
table or views. This contains single for entire database
object.
Answer is
%type: It is used to define individual field of database.

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Q. 14 How many triggers can be applied on table?
12 triggers.
Answer is

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Q. 15 What is different between package specification and
package body ?
Package Specification: It contains only definition of
database objects like variable, records types, procedure and
function etc.
Answer is
Package Body: This contains actual code.

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Q. 16 What is different types of cursor?
1. Implicit Cursor
2. Explicit Cursor
Answer is

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Q. 17 What is pragma autonomous transaction?
Answer is

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Q. 18 Can we use commit in trigger ?
No, There is no need to use commit in trigger because
trigger are auto committed.
Answer is

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Q. 19 Can we call procedure into function ?
Answer is

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Q. 20 What is partition?
Answer is

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Q. 21 Name some predefined package used in oracle
Answer is
DBMS_OUTPUT, DBMS_UTILITY, DBMS_STATS,
DBMS_PIPE etc

27. Thank You
Job Router and All the
participant for listening me
silently
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