Answer the following problems.
problem 1) prepare down the objectives of RDBMS?
problem 2) Describe the advantages and disadvantages of hierarchical model?
problem 3) What do you mean by relationship and describe the types of relationships?
problem 4) Describe the features of E-R models?
problem 5) Describe the data definition language (DDL)?
problem 6) Describe the data manipulation language (DML)?
problem 7) Describe the data definition language (DDL) prepare the syntax for DDL commands?
problem 8) Describe the data manipulation language (DML) prepare the syntax for DML commands?
problem 9) Describe the different views in Access?
problem 10) Describe validation and its rules?