A select operation in a relational database reduces the size of a table by removing columns that meet particular criteria. Is this true or false?

How can self-joins be utilized effectively in relational databases?

Relational database select operations remove columns that fulfill requirements.Is this answer correct?

Are you acquainted with the procedure for adding user data to a database?

A select operation in a relational database decreases the size of a table by removing columns that fulfill certain criteria.Is this statement truthful or false?

The select operation in a relational database allows you to limit the number of columns in a table that satisfy your criteria.Is that the correct or incorrect answer?

A select operation in a relational database decreases the size of a table by removing columns that fulfill certain criteria.Is this statement truthful or false?

Which database operation reads table block directly a) Index scan b) Binary search c) Table scan d) Fan out

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A relational database's select operation may reduce a table's size by removing columns that don't meet particular criteria.Is it right or wrong?

By filtering out columns that don't meet particular criteria, a select operation may reduce the size of a table in a relational database.Is it the case or not?

In a relational database, a select operation may reduce the size of a table by removing columns that don't meet a set of criteria.