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What functions does a data dictionary perform? In a (DBMS)data management system, the principal functions performed by the data dictionary are Management of data defini
#quCreate a database design specification (Enhanced Entity Relationship Diagram (EERD) and Relational Data Model (RDM)) from the given business description. The RDM must be in 3rd
explain participation constraints with examples
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an ex
Benefits of using heuristics
Properties of a Transaction A transaction has four main properties. These are: Atomicity Consistency Isolation or Independence Durability or Permanen
composite attribute
Define query language? A query is a statement requesting the retrieval of information. The portion of DML that includes information retrieval is known as a query language.
#question benefits and limitations of data models..
Explanation on Data Sharing?
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