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Which of the following is used as the embedded SQL in COBOL?

EXEC SQL

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Any row in the subquery meets the condition only

All rows in the subquery fail the condition only

Both of these two conditions are met

Neither of these two conditions is met

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The above command

Deletes a particular tuple from the relation

Deletes the relation

Clears all entries from the relation

All of the mentioned

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What are the after triggers?

Triggers generated after a particular operation

These triggers run after an insert, update or delete on a table

These triggers run after an insert, views, update or delete on a table

All of the mentioned

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Aggregate functions can be used in the select list or the_______clause of a select statement or subquery. They cannot be used in a ______ clause.

Where, having

Having, where

Group by, having

Group by, where

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Why does this statement cause an error when QUANTITY values are null?

The expression attempts to divide by a null value

The data types in the conversion function are incompatible

The character string none should be enclosed in single quotes

A null value used in an expression cannot be converted to an actual value

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Miscellaneous or General

Relational Algebra

Database Systems

Data Models

The Relational Database Model

Entity Relationship (ER) Modeling

Advanced Data Modeling

Normalization

Structured Query Language (SQL)

Advanced SQL

Database Design

Transaction and Concurrency

Data Warehouses

Database Administration

Mixed

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