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sql is relationally complete-justify
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
I need a professional to prepare a database to collect and store basic information. The information can be basic info such as contact details etc. One requirement i have is f
What are the object-oriented approaches Software systems which are designed with structured design methodology never support some of desired quality attributes for example reus
In E-R diagram how generalization is represented? in E-R diagram generalization is represented by Triangle shape.
explaination
Determine the Strong and Weak Entity Based on the method of foreign key, there might be arise a situation when we have to relate an entity having a primary key of its own and a
Many-to-many : Entities in A and B are related with any number of entities from each other. Example: Taught_by Relationship among course and faculty. One faculty member ca
Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
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