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Report writing help on database mgmt
Project Description:
Use of Harvard referencing, critical analysis is required.
Skills required:
Academic Writing, Technical Writing, Database Administration, XML
Why are cursors necessary in embedded SQL? A cursor is an object used to store the output of a query for row-by-row processing through the application programs. SQL statements
Relational Model: The relational model uses a collection of tables to represent both data and the relationships among those data. Each table has multiple columns and each column h
Give an example of multiple inheritance. One example of multiple inheritance is a committee for students affair which include faculty and administrative staff member.
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
Describe entity referential integrity and integrity. Give an example of each. Entity Integrity Rule - If there is a attribute A of relation R is a prime attribute of R then A
Explain the paths in the association network We can analyze use of paths in the association network as given below: Calculate each operation Find associations whic
Can a filed occur in several field groups. Yes. But it leads to redundant data redundancy.
What is system log? What are the entries? Ans: The system log that is generally written on stable storage contains the redundant data required to recover from volatile
The cross-section of twisted pair The cross-section of each and every strand of the twisted pair is π/4 square mm. A 10-km length of this type of material, with two strands per
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