COMPUTER SCIENCE AND ENGINEERING
DATABASE MANAGEMENT SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Report
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Database
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Record
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Query
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Detailed explanation-1: -Explanation: The queries help us to retrieve data from the tables based on some specified conditions.
Detailed explanation-2: -To retrieve one row of data from a table, use the SELECT INTO FROM statement. This statement finds one row of the table specified in the FROM clause, selects the columns that were supplied in the select-list, and delivers the results in the host-variables listed in the INTO clause.
Detailed explanation-3: -A select query is one that retrieves data from a database.
Detailed explanation-4: -A select query helps you retrieve only the data that you want, and also helps you combine data from several data sources. You can use tables and other select queries as data sources for a select query.
Detailed explanation-5: -Queries. Queries can perform many different functions in a database. Their most common function is to retrieve specific data from the tables.