FUNDAMENTALS OF COMPUTER

BASIC COMPUTER CONCEPTS

INFORMATION SYSTEMS VS INFORMATION TECHNOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The basic operation used to select a few records froma database is ____
A
index
B
delete
C
filter
D
update
Explanation: 

Detailed explanation-1: -Filtering is a useful way to see only the data that you want displayed in Access databases. You can use filters to display specific records in a form, report, query, or datasheet, or to print only certain records from a report, table, or query.

Detailed explanation-2: -SQL filters are text strings that you use to specify a subset of the data items in an internal or SQL database data type. For SQL database and internal data types, the filter is an SQL WHERE clause that provides a set of comparisons that must be true in order for a data item to be returned.

Detailed explanation-3: -To filter data in a query, open it in Datasheet View, click the down-arrow at the top of a column, and select a filter option. Here’s how it looks in an Access app: You can select multiple values from the list, but in an app, the filter list closes each time you select an option.

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