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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 DataWarehousing? Subject-oriented, meaning that the data in the database is organized so that all the data elements relating to the similar real-world event or object
What are the Constituents of File? Also elaborates all the possible file operations? A file is organised logically as sequence of record. These records are mapped onto disk blo
Consistency: This property makes sure that a complete transaction implementation takes a database from one consistent state to another consistent state. If the transaction fails e
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
What is the difference between internal tables and extract datasets? The lines of an internal table always have the similar structure. By using extract datasets, you can ha
Explain the utilities which help the DBA to manage the database? Every DBA uses database utilities to maintain and control their databases. But there is a lot of confusion wit
In E-R diagram how generalization is represented? in E-R diagram generalization is represented by Triangle shape.
Differentiate between a subquery and a join If we need to acquire information from one or more tables after that either subquery or join can be used. If the columns which are t
job scheduling for different cubes
Design Documentation The Design Document shall be an extension of Requirements Analysis Design. "The Design Document will comprise a revised and much more detailed descrip
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