Why SQL? SQL is a very-high-level language. - Say "what to do"rather than "how to do it.” Avoid a lot of data-manipulation details needed in procedural languages like C++or Java. o Database management system figures out best"way to execute query. - Called "query optimization."Why SQL? zSQL is a very-high-level language. – Say “what to do” rather than “how to do it.” – Avoid a lot of data-manipulation details needed in procedural languages like C++ or Java. zDatabase management system figures out “best” way to execute query. – Called “query optimization