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What is SQL, and why is it important?
SQL stands for Structured Query Language, and is the most significant data processing language in use today. It is not a complete programming language like Java or C#, but a data sublanguage used for creating and processing database data and metadata.
All DBMS products today use SQL.
Illustrate how you can use QBE to perform logical AND and OR operation
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
In E-R diagram how generalization is represented? in E-R diagram generalization is represented by Triangle shape.
The File Based System File based systems are an early attempt to computerise the manual filing system. For example, a manual file can be set up to hold all the correspondence r
Package classes and associations into models Programs are made of separate physical units which could be edited, imported, complied or otherwise manipulated. The careful part
What is the difference between link and reference? The fundamental difference between links and references is that links are symmetrical on the other hand references refer only
What are three components of the schema architecture proposed by ANSI/SPARC? The three component schema architecture proposed by ANSI/SPARC is as given below: External sche
how to design a bakery business in data base
What are metrics for choosing the best algorithm? Matrices for choosing the best algorithms are as below: Computational complexity Ease of understand ability and im
please i request for your assistance in developing a case-based online phone repair
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