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MySQL statements for extending the database to incorporate new facilities
Deliverables for submission
You must submit the following deliverables in the Assignment Dropbox in Blackboard by the stated FMA submission deadline for your class:
A single zip file named yourusername_dtfma.zip containing the deliverables specified below.
Note: The zip file must be submitted in .zip format. Other formats (such as .rar) are not acceptable and will not be marked.
1. The queries that you produced for (3) above. Each query should be in a separate .txt or .qbquery file named yourusername_qryx (replacing yourusername with your ITS username and x with the query number.
2. A report covering the requirements listed in (5) above. The report should be submitted as either a Word or .pdf document and named yourusername_dtfma_report (replacing yourusername with your ITS username).
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
What is 2NF? A relation schema R is in 2NF if it is in 1NF and every non-prime attribute A in R is fully functionally dependent on primary key.
How to Insert data in your table from another table? insert into e.g, To insert tuples from employee into N_emp created above, use following statement Insert into N_emp
Explain nested relations? Nested relations The assumption of INF is a natural one in the bank examples we have considered. However, not all applications are best modelled
In this exercise you will create ten records, each containing the following fields: student name, class: Freshman, Sophomore, Junior or Senior, Major: Liberal Arts or General Sci
Example- Search the salary of employees who are not 'ANALYST' but get a salary below than or equal to any people employed as 'ANALYST'. SELECT EMPNO, ENAME, JOB, SAL FROMEMP
Self-Join: In a self join a table is joined with itself. Let consider the following sample partial data of EMP table EMPNO ENAME MGRID
what is completeness constrent?
What is called a query -execution engine? The query implementation engine takes a query evaluation plan, implements that plan, and returns the answers to the query.
What is Message switching Message switching transmits data units which can be arbitrarily long. Packet switching has a utmost packet size, if any message longer than that, it s
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