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What is RDBMS terminology for a row?
A tuple is a RDBMS terminology for a row
Every School has many teachers and many students. Each student is assigned to one school and each teacher works for one school only. Each teacher teaches more than one subject but
What is the difference between a key and a superkey? Key - A key a single attribute or a combination of two or more attributes of an entity set which is used to identify one
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
Problem : AirwaysCentre, an international airline booking company currently uses a relational database system for their operations, which includes the following relations: P
An example of a weak entity is Staff because the availabilityID cannot be uniquely identified unless it is used in conjunction with the foreign key known as availabilityID in the A
Scenario 1: Power goes out after the first instruction. What happens?
Consider the ER schema below for the MoneyMaking supermarket chain problem. Translate the given ER schema into SQL CREATE TABLE statement.
define lock conversion
how to prepare a data dictionary for online examination system for certified courses?
Define physical image of a global relation at a site
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