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What are the technique to define a schema completely ?
A schema is completely define by DDL and DML query language.
Homework chapter 10 no 3
Need 2 projects completed in 3NF format.
Explain data dictonary on oracle ? Data Dictionary - Data dictionaries are the system tables in which contain descriptions of the database objects and how they are structured.
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
Describe Specialsation and generalization? Specialisation /generalization: This is a top down and bottom up approach to the design of database. It displays the IS_A relation
Deadlock And Its Prevention: As seen earlier, though two phase locking protocol handles the trouble of serialisability, but it causes some troubles also. For instance, consider th
What are called multilevel indices? Indices with two or more levels are known as multilevel indices.
Determine the language that needs a user to specify the data to be retrieved with no specifying exactly how to get it is Ans: Non-Procedural DML
explain various steps uses in evaluation and maintenance of MIS.
what is database management system? & why it is required?
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