Bhandari Nawaraj

primary key referential integrity foreign key table constraints domain constraints oracle architecture propagation constraints revoke crud de-normalisation crud matrix indexes roles in a system transactions view in database grant iteration case tools phases of database design logical design conceptual design problems with waterfall approach physical design waterfall approach prototypes and prototyping systems analysis & development joins sub-queries group by sql query having clause aggregate functions query optimisation rollback commit dcl dml disadvantages of sql ddl advantages of sql char or varchar tcl data definition language second normal form check constraint insert anomalies alternate key super key anomalies relational keys functional dependency properties of a relation composite key candidate key update anomalies delete anomalies partial dependency normalization first normal form transitive dependency types of schema multiplicity data independence erdiagram many-to-one one-to-one attributes crows feet entity relationship diagram one-to-many database schema chen unified modeling language entity types of relationship types of attributes uml logical data independence physical data independence entity type database functions record keeping systems types of data structured query language what is a database sql toolkit kernel metadata structure of a database file processing system dbms architecture interface data dictionary