FIT100
DB Operations
The
five DB Operations can create any table from a given set of tables
•All
modern database systems are built on these relational operations
•Join
is not primitive, but can be built from 5
•Join,
select and project are used most often
•The
operations are not usually used directly, but are used indirectly from other
languages
SQL, the DB language we learn, is built on basic 5