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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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SQL In Oracle Interview Questions & Answers

Structured Query Language (SQL) is the set of statements with which all programs and users access data in an Oracle database. Application programs and Oracle tools often allow users access to the database without using SQL directly, but these applications in turn must use SQL when executing the user's request. Oracle SQL provides an easy, elegant, performant architecture for accessing, defining, and maintaining data. In Oracle, SQL is divided into two basic groups: data definition language (DDL) or data manipulation language (DML).

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Find out nth highest salary from emp table
4.3 Rating
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Which is more faster - IN or EXISTS?
4.2 Rating
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Whet are the difference between primary key and foreign key?
3.4 Rating
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What is difference between SUBSTR and INSTR?
3.6 Rating
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What is the maximum buffer size that can be specified using the DBMS_OUTPUT.ENABLE function?
4.0 Rating
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What is an UTL_FILE.What are different procedures and functions associated with it?
4.1 Rating
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Can the default values be assigned to actual parameters?
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What is difference between a formal and an actual parameter?
4.1 Rating
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Difference between an implicit & an explicit cursor.
4.0 Rating
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What are various joins used while writing SUBQUERIES?
3.9 Rating
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What is difference between SQL and SQL*PLUS?
3.9 Rating
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Difference between procedure and function.
3.6 Rating
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Which datatype is used for storing graphics and images?
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What should be the return type for a cursor variable.Can we use a scalar data type as return type?
3.8 Rating
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What is the purpose of a cluster?
3.1 Rating
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Display the number value in Words?
3.7 Rating
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Difference between database triggers and form triggers?
3.7 Rating
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What are cursor attributes?
4.8 Rating
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minvalue.sql Select the Nth lowest value from a table
4.7 Rating
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maxvalue.sql Select the Nth Highest value from a table
4.2 Rating
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