COMPUTER SCIENCE AND ENGINEERING
SQL
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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SELECT [all] FROM Persons WHERE FirstName LIKE ‘Peter’
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SELECT * FROM Persons WHERE FirstName=’Peter’
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SELECT * FROM Persons WHERE FirstName<>’Peter
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SELECT [all] FROM Persons WHERE FirstName=’Peter’
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Detailed explanation-1: -Hi dear, Answer:-SELECT * FROM Persons WHERE FirstName=’Peter’ AND LastName=’Jackson’ This query selects all the records from a table named “Person…
Detailed explanation-2: -2. With SQL, how do you select all the records from a table named “Persons” where the value of the column “FirstName” ends with an “a”? Explanation: The SQL LIKE clause is used to compare a value to similar values using wildcard operators. 3.
Detailed explanation-3: -SELECT * FROM <TableName>; This SQL query will select all columns and all rows from the table. For example: SELECT * FROM [Person].
Detailed explanation-4: -SELECT statements The syntax is: SELECT column1, column2 FROM table1, table2 WHERE column2=’value’; In the above SQL statement: The SELECT clause specifies one or more columns to be retrieved; to specify multiple columns, use a comma and a space between column names.