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Final Exam Coverage. E/R Converting E/R to Relations. SQL. –Joins and outerjoins –Subqueries –Aggregations –Views –Inserts, updates, deletes –Ordering.

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Presentation on theme: "Final Exam Coverage. E/R Converting E/R to Relations. SQL. –Joins and outerjoins –Subqueries –Aggregations –Views –Inserts, updates, deletes –Ordering."— Presentation transcript:

1 Final Exam Coverage

2 E/R Converting E/R to Relations. SQL. –Joins and outerjoins –Subqueries –Aggregations –Views –Inserts, updates, deletes –Ordering results –Top N queries Constraints –FK –CHECK –Constraints enforced by views Security and Authorization –Granting and Revoking Privileges. –Enforcing Security through Views. –Security in Statistical Databases.

3 Concurrency –Anomalies related to Concurrent Execution of Transactions. –2-Phase Locking. –SQL support for transactions. Recovering from Failures. –UNDO, REDO and UNDO/REDO Storage –Disks mechanics. –Computation Model. –2 Phase Multiway Merge Sort (2PMMS). –Impact of block size. –Sorting very large relations. Indexes –B-Trees. Lookup, Insertion and Deletion in B-Trees. Query Evaluation. Functional Dependencies. –Closure algorithm. –BCNF and 4NF OLAP

4 Help page One help page is allowed in the exam.


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