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XYZ is a large chain of home entertainment rental over 100 stores distributed over all states in Australia. XYZ lends entertainment products such as movies, TV shows and games on v
The database files accept the actual data and are typically the biggest in size. Depending on their shape, the tables for all the user operation can go in one database file-but
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
What is self-transition? If there is a transition which goes back to same state, it is known as "self- transition." With a trigger action exit action would be executed f
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
What is meant by normalization of data? It is a process of examining the given relation schemas based on their Functional Dependencies (FDs) and primary key to achieve the prop
Explain in detail about Collaboration Diagrams Collaboration diagrams are interaction diagrams which emphasize structural organisation of an object that transmit and receive m
Data Base Management System 1. Draw the Architecture of MySQL and explain about its subsystems briefly. 2. Elaborate with the help of an example the concept of Primary key a
What is the use of unique function? UNIQUE function: If UNIQUE is specified then only unique values are used to computed the mean.
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