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Middle School Computer Studies - 2019
Aditi Arora, Frank, EMU Books
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Chapters
Computer Hardware Components
Number System - An Introduction
Computer Virus
Ethics and Safety Measures in Computing
Spreadsheets - An Introduction
Database and DBMS - An Introduction
HTML - Advanced Features
Foundation to Java Programming
ICSE
Class 7
Computer
Database and DBMS - An Introduction
Available Answers
1.
Fill in the blanks.
The number of records in a table is called its ____________.
The column in a table which can uniquely identify a record is called the ____________ key.
The columns which are eligible to form the primary key are called ____________ key.
The ____________ data type for a field allows you to store large text.
____________ fields automatically give each record its own number.
2.
Define a record and field.
3.
What is a primary key?
4.
Write two constraints for a field to act as primary key.
5.
Write the purpose of writing a query.
6.
What is 'Format' field property used for?
5 more answer(s) available.
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