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SQL In Oracle Interview Questions & Answers

Below we have listed all the SQL In Oracle Interview Questions and answers. Feel free to comment on any SQL In Oracle Interview Questions or answer by the comment feature available on the page.

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Find out nth highest salary from emp table View Answer

Which is more faster - IN or EXISTS? View Answer

Whet are the difference between primary key and foreign key? View Answer

Can the default values be assigned to actual parameters? View Answer

What is an UTL_FILE.What are different procedures and functions associated with it? View Answer

What is difference between a formal and an actual parameter? View Answer

What is the maximum buffer size that can be specified using the DBMS_OUTPUT.ENABLE function? View Answer

What are various joins used while writing SUBQUERIES? View Answer

Difference between an implicit & an explicit cursor. View Answer

What is difference between SUBSTR and INSTR? View Answer

Which datatype is used for storing graphics and images? View Answer

What is difference between SQL and SQL*PLUS? View Answer

Difference between procedure and function. View Answer

What is the purpose of a cluster? View Answer

What should be the return type for a cursor variable.Can we use a scalar data type as return type? View Answer

Difference between database triggers and form triggers? View Answer

Display the number value in Words? View Answer

How will you delete duplicating rows from a base table? View Answer

Differentiate between TRUNCATE and DELETE View Answer

Can a primary key contain more than one columns? View Answer

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