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Determine object representation
As a designer, we must choose properly that when to use primitive types in representing objects and when to combine groups of related objects, what is exact representation of object attributes.
Which data manipulation command combines the records from one or more tables ? JOIN data manipulation command combines the records from one or more tables.
The database is to record information about artists for a (music) production company. An artist is the name of a singer or band; the name of the artist, the year the artist started
What is primary Key Explain? Primary Key - Primary key is one of the candidate keys. It should be selected such in which its attribute values are never, or very rarely, chang
What is a function group? A function group is a collection of logically related modules that share global data with every other. All the modules in the group are contained in
What is the need for triggers? Triggers are useful mechanisms for alerting humans or for starting particular tasks automatically when particular conditions are met.
We face problem of stock Opening balance and closing balance in Minus
Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
OPENCART - Want Massive amount of products Imported through CSV We have a massive list of products that would take completely too long to do data entry. We require a slick progr
Before defines the second type of integrity constraint, viz., Entity Integrity, we should be well-known with the concept of NULL. Mostly, NULL is intended as a basis for dealing
WHAT IS DSS? WRITE ITS REQUIREMENTS.
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