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Briefly explain each of the following database terms. Use no more than 2-3 lines for each term.
1. DBMS
2. Update Anomaly
3. Alias (referring to tables in SQL queries)
4. DDL
5. Domian
What is Alternate Key Alternate Key: This is the candidate key which is not taken as the primary key of the table. They are named so because although not the primary key, the
What is hash file organization? What are the causes of bucket overflow within a hash file organization? What can be completed to decrease the occurrence of bucket overflow?
what do you mean by consistency in rdbms?
what is RDBMS? how it works? good example.
WOUND-WAIT
WHAT IS DSS? WRITE ITS REQUIREMENTS.
Define weak and strong entity sets? Weak entity set: entity set that do not have key attribute of their own are known as weak entity sets. Strong entity set: Entity set that
Why is database redesign necessary? Database redesign is essential for two reasons. First, redesign is essential both to fix mistakes made during the initial database design. S
Load sample data into the database tables design and test queries to return the following information • All rows and columns for employees • All rows and columns for customers •
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4
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