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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.
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Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
Objectives After reading this unit you should be able to: Explain storage of databases on hard disks; Discuss the execution of various file Organisation techniques;
HOW TO SOLVE THE LP Problems by simplex method?z=x1+-3x2+2x3
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How persistent programming languages differ from traditional programming languages? Database languages vary from traditional programming languages in that they directly manipul
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