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Write short notes on Schema diagram.
A database schema along with primary key and foreign key dependencies can be depicted pictorially by schema diagram. Every relation appears as a box with attributes listed inside it and the relation name above it.
Creating views with Read only option : In the view definition this option is used to make sure that no DML operations can be done on the view.
Need a sample of a clinic database relationships
Explain the Weak Entity Set An Entity set which does not have sufficient attribute to make a primay key is known as weak entity set. For instance, dependents of an employee in
Define the terms i) Entity set ii) Relationship set Entity set: The set of all entities of the similar type is termed as an entity set. Relationship set: The set of all rela
Order by clause By using this rows can be sorted It is used in the last portion of select statement By default it gets ascending order DESC: is used
how the string works as keyword?
Due date for May 8
how to connect vb.net with access
What is recovery management component? Ensuring durability is the responsibility of a software component of the base system known as the recovery management component.
brief history,definition,current trends and future trends if any of data fragmentation
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