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Lossless-Join Decomposition Let us show an intuitive decomposition of a relation. We require a better basis for deciding decompositions since intuition may not always be r
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
prototype of a distributed information system for a national car part retail outlet chain.
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 mo
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Define the Attribute Inheritance The attributes of a higher level entity set are inherited through a lower level entity set made by specialization-generalization hierarchy. Nam
Lock Based Protocol A lock is nothing but a mechanism that tells the DBMS whether a particular data item is being used by any transaction for read/write purpose. As there are t
Describe Query evaluation engine? Query Evaluation engine: Vehicle executes low-level instructions obtained through the DML compiler. The Storage Manager Components gives in
What is MySQL? MySQL is a relational database management system which has eleven million installations. It can be used for both Linux and Window. Managing database includes add
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