Question-1) What do you understand by attributes of a database? Answer) An attribute is a specification that defines a property of an...

Question-1) What is Relational Algebra? Answer) Relational algebra is a procedural query language. It gives a step by step process to...

Question-1) Explain vaious anomalies in relational model? Answer) a). Insertion anomaly Insertion of a tuple is not possible in the...