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What will be create when a primary key if combined with a foreign key?
A primary key if combined with a foreign key it creates Parent-Child relationship between the tables that connect them.
Why do so various organizations use MySQL? Advantages: Open source Highly efficient Offers a high scalability in terms of size and connectivity. Highly prote
1. A company wants a report containing a breakdown of payroll by department. Input, which should be stored in 3 parallel arrays, includes each employee's department number, hourly
There are many simple and complex approaches to implement. These reports are based on some views or certain query. The following number of reports can be built. 1. The averag
i need to implememnt a treee based mining algorithm. do you have an expert that can do that?
What are the typical phases of query processing
What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
Special comparison operator used in where Clause a. between. ...and...It gives range among two values (inclusive) Example: SELECT ENAME, SAL FROM EMP WHERE SAL BETWE
Differentiate sub-class and super-class? The specialization of a class is known as subclasses.eg: employee is a subclass of person and teller is a subclass of employee. Convers
Create a Student database and Retrieve the names of all students majoring in ‘CS' Consider the following relational database: STUDENT (name, student#, class, major) COURSE (co
how to construct labelled precedence graph for view serialiability.please explain insteps with one solved examples
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