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Introduction to Database System

Introduction to Database System
In SQL, which command is used to remove a stored function from the database?

DELETE FUNCTION
REMOVE FUNCTION
DROP FUNCTION
ERASE FUNCTION
None of these

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Introduction to Database System
Because it contains a description of its own structure, a database is considered to be ________ .

an application program
described
self-describing
metadata compatible

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Introduction to Database System
In SQL, which command(s) is(are) used to create a synonym for a schema object?

CREATE SYNONYM
All of the listed here
CREATE SCHEMA
CREATE SAME

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Introduction to Database System
To have a file hold a list, it is necessary to

identify the records in the list
decide which fields will be used as sort or index keys
All of the listed here
identify the name, width and type of the fields of each record.

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Introduction to Database System
The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types.

Table
None of these
Flat file
Database
Data structure

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Introduction to Database System
Batch processing is appropriate if

only a small computer system is available
All of these
None of these
only a few transactions are involved
a large computer system is available

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