First Normal Form: Remove the repeating groups in a table
Second Normal Form: Remove partial dependencies
Third Normal Form: Remove transitive depedencies
total 6 normal forms
Boyce -Codd normal form which is one of the forms of dbms noramlizations.normalization is converting the relations or tables in a standard form.bcnf is based on functional dependencies that take into account all candidate keys.a relation is in bcnf if every determinant has a candidate key..:)
DBMS
Third normal form.
combines everything into a single system including, DBMS software,hardware, application programs and user interface
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There are four types of DBMS users,Naive UsersOnline UsersApplication Program UsersDatabase AdministratorNote: The description of above points is currently not available.
Physical schema,logical schema and sub schemas
DBMS (Database Management Systems) are important in an information-based society because they provide a structured way to store, manage, and retrieve data efficiently. They help in organizing and maintaining large volumes of data, ensuring data consistency and integrity, and enabling quick access to pertinent information. DBMS also support data sharing and collaboration among users, leading to enhanced decision-making processes and overall business performance.
functions of DBA in DBMS
a representation of DBMS design. It helps to design, develop, implement, and maintain the database management system. A DBMS architecture allows dividing the database system into individual components that can be independently modified, changed, replaced, and
Define the two principle integrity rules for the relational modelDisscuss why it is desirable to enforce these rules also explain how DBMS enforces these integrity rules?