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Database Management SystemA relational database developer refers to a record as (i) a criterion (ii) a relation (iii) a tuple (iv) an attribute20202mDatabase Management SystemExplain object-oriented databases and discuss their advantages over relational databases.20257mDATABASE MANAGEMENT SYSTEMThe Object Query Language is which of the following? - (i) Similar to SQL and uses a select-from-where structure (ii) Similar to SQL and uses a select-where structure (ii) Similar to SQL and uses a from-where structure (iv) Not similar to SQL20212mDATABASE MANAGEMENT SYSTEMThe ability to query data, as well as insert, delete, and alter tuples, is offered by: - (i) TCL (Transaction Control Language) - (ii) DCL (Data Control Language) - (iii) DDL (Data Definition Language) - (iv) DML (Data Manipulation Language)20242m
PreviousConstruct an *E-R diagram* for a university registrar's office. The office maintains data about each class, including the instructor, the enrollment, and the time and place of the class meetings. For each class pair, a grade is recorded. Document all assumptions that you make about the mapping constraints.NextExplain the following operations with the help of examples: (i) Generalized projection (ii) Outer join (iii) Aggregate function