Recent questions in Database Management Systems (DBMS)

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Research Methodology for Database Security and Techniques

I am writing research paper for Database security and its techniques, but i am really not able to understand whta to do in research methodology
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entity relation shep diagram

these quation is my assignment please help my my frind
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how to create a database whitch contain the information of finacial accounting of clients

to create tables witch contain the infomation of finacial account of clients in the bank? ​
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Who is responsible for evaluating and selecting the database management system (DBMS) to be used in an organization?

Who is responsible for evaluating and selecting the database management system (DBMS) to be used in an organization? A. The database administrator. B. The data administrator. C. The management. D. The software application programmers.
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what is the big issue for data mining

Data mining issue for the user impact
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Research Methodology for Database Security and Techniques

I am writing research paper for Database security and its techniques, but i am really not able to understand whta to do in research methodology
0
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______ is a method for analyzing and reducing a relational database to its most streamlined form.

  • A) Structured query
  • B) Normalization
  • C) Query by example
  • D) Joining
  • E) Relational analysis
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________ databases are the most commonly used electronic databases.

  • a. Multidimensional
  • b. Relational
  • c. Flat-file
  • d. Object-oriented
4

Give the basic concept of Relational Algebra.

Relational Algebra is widely used in Data management languages. Please give the general concept of Relational Algebra.
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Database Management Systems (DBMS)