1.	ROLLBACK in a database is ________ statement ?
	TCL
	DCL
	DML
	DDL
	Answer: TCL Explanation: TCL (Transaction Control Language) statement. ROLLBACK is a TCL statement that is used to undo changes made in a transaction and to restore the database to its previous state before the transaction started. TCL statements are used to control the changes made by transactions in a database. The other TCL statements are COMMIT and SAVEPOINT.
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2.	Unlike filters queries can be saved as in a database ?
	objects
	filters
	database
	Any of the above
	Answer: objects Explanation: Queries can be saved in a database, unlike filters that are used to temporarily sort, filter or modify data. Therefore, the correct option is (a) objects.
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3.	Dr. E.F. Codd represented ______ rules that a database must obey if it has to be considered truly relational ?
	10
	8
	12
	6
	Answer: 12 Explanation: Dr. E.F. Codd represented 12 rules that a database must obey if it has to be considered truly relational. Therefore, the correct option is (c) 12.
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4.	Periodically adding, changing and deleting file records is called file ?
	updating
	upgrading
	restructiring
	renewing
	Answer: updating Explanation: Periodically adding, changing and deleting file records is called file updating.
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5.	A tuple is a ?
	column of a table
	two-dimensional table
	row of a table
	key of a table
	Answer: row of a table Explanation: The correct answer is (c) row of a table. In database management systems, a tuple is a row of a table that represents a single record or instance of an entity. Each tuple contains a set of attributes, which are the columns or fields of the table that describe the characteristics of the entity being represented.
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6.	A collection of interrelated records is called a ?
	management information system
	spreadsheet
	database
	text file
	Answer: database Explanation: The correct answer is (c) database. A collection of interrelated records is called a database. In database management systems, data is organized into one or more tables, with each table containing a collection of related records or data entities. The purpose of a database is to provide a structured and organized way to store, manage, and retrieve data, allowing users to easily access and manipulate the data for a variety of purposes.
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7.	__________ represents raw facts, whereas __________ is data made meaningful ?
	Information, reporting
	Data, information
	Information, bits
	Records, bytes
	Answer: Data, information Explanation: Data represents raw facts, whereas information is data made meaningful.
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8.	A collection of unprocessed items is ________ ?
	information
	data
	memory
	reports
	Answer: data Explanation: A collection of unprocessed items is data.
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9.	The ability to find an individual item in a file immediately ?
	sequential access
	file allocation table
	direct access
	directory
	Answer: direct access Explanation: The ability to find an individual item in a file immediately is called direct access. Therefore, the correct option is (c) direct access.
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10.	External database is ?
	Database created in EXCEL
	Database created using DBMS package
	Database created in MS-Word
	All of the above
	Answer: Database created using DBMS package Explanation: An external database refers to a database that is created using a DBMS (Database Management System) package. Therefore, the correct option is (b) Database created using DBMS package.
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