What Is Query Processing?

1.	What Is Query Processing?
Answer» When a user starts a data retrieval operation, the user's SQL statement GOES through several SEQUENTIAL steps that together constitute query PROCESSING. Query processing is the transformation of the SQL statement into efficient execution plan to RETURN the requested data from the database. When a user starts a data retrieval operation, the user's SQL statement goes through several sequential steps that together constitute query processing. Query processing is the transformation of the SQL statement into efficient execution plan to return the requested data from the database.

Answer»

When a user starts a data retrieval operation, the user's SQL statement GOES through several SEQUENTIAL steps that together constitute query PROCESSING. Query processing is the transformation of the SQL statement into efficient execution plan to RETURN the requested data from the database.

When a user starts a data retrieval operation, the user's SQL statement goes through several sequential steps that together constitute query processing. Query processing is the transformation of the SQL statement into efficient execution plan to return the requested data from the database.

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