Question

The command can be used to display single record examveda

Answer 1

Answer:

The project command can be used to display a single record. Projection is used to choose columns of data in a database management system.

It deals with the elimination of columns. Besides projection, there is one similar kind of operation which is present. This is known as Selection. Selection is used to select rows instead of selecting columns.

Answer 2

Answer: SELECT

Commands : SQL commands

Given : Command used to display single record

To Find : The command can be used to display single record _________

Explanation :

Rows in a table are called records. To display a single record, SELECT command is used with some required constraint to give the required output. SQL is a structured query language used for storing, manipulating and retrieving data from the database. The data are stored in tables in the form of rows and columns. Rows are called the records and the columns are called the fields in a database table. By using select command, either the whole table or the specific records or fields can be selected and displayed in SQL. Many others commands are also used in sql for data manipulation and data entry.

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