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Explain the Query Processing
Data Query Processing permits a user to report or analyze structured and unstructured data pulled from multiple data sources.
A full discription of the new, a discription of its components, and the bebefit it will provide a company. A disscussion of the information usedin the system. A disscussion of any
aggregation
how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?
Explain mechanism of nested queries? SQL gives a mechanism for nesting subqueries. A subquery is a select from where expression that is nested within one more query. A common u
Submit SQL INSERT Statements that will populate the database with sample data. You must insert at least 5 records into each table in your database.Submit your SQL INSERT Statement
a. Define the term "deadlock". There are four conditions that must hold before deadlock is possible. Name them. b. Outline an algorithm that detects whether there is a deadlock.
wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration
What Count function return in SQL? Count function within SQL returns the number of values. (Count function counts all the not null values in the exact column. If we need to cou
Describe relational model? Structure of relational data base Basic structure Database schema Keys Schema diagram Query languages
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
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