If you assign a column alias to a column,it must be enclosed in double quotation marks (" ").

Name: If you assign a column alias to a column,it must be enclosed in double quotation marks (" ").
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Question

​If you assign a column alias to a column,it must be enclosed in double quotation marks (" ").

Quizplus · Accepted Answer

Column aliases can be defined without quotation marks unless they contain spaces, reserved keywords, or special characters, in which case double quotation marks or square brackets (depending on the database system) may be required.

​If You Assign a Column Alias to a Column,it Must

If You Assign a Column Alias to a Column,it Must