COMPUTER SCIENCE AND ENGINEERING
SQL
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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With SQL, how do you select a column named “FirstName” from a table named “Persons”?
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EXTRACT FirstName FROM Persons
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SELECT Persons.FirstName
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SELECT FirstName FROM Persons
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SELECT * FROM Persons
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Explanation:
Detailed explanation-1: -With SQL, how do you select all the records from a table named “Persons” where the value of the column “FirstName” is “Peter"? SELECT * FROM Persons WHERE FirstName=’Peter’;
Detailed explanation-2: -SELECT * FROM <TableName>; This SQL query will select all columns and all rows from the table. For example: SELECT * FROM [Person].
Detailed explanation-3: -Hi dear, Answer:-SELECT * FROM Persons WHERE FirstName=’Peter’ AND LastName=’Jackson’ This query selects all the records from a table named “Person…
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