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How many levels can be viewed in Architecture of the database ?Architecture of the database can be viewed as three levels.
assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
Given the following relations TRAIN (NAME, START, DEST) TICKET (PNRNO., START, DEST, FARE) PASSENGER (NAME, ADDRESS, PNRNO.) Write SQL expressions for the following queries: No
Explain the Role of a database administrator a. Defining the Schema The DBA describes the schema which consists of the structure of the data in the application. The DBA
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why we fregment at all?
An Enterprising group of Entrepreneurs introduced a new business named StoreItRite which is based on data storage and retrieval services. It provides the services and the company c
What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
Which component is not included in database environment ? A users component is not included in database environment.
Submit SQL SELECT Statements to demonstrate several reports off your database, according to the following guidelines: You must submit at least 5 SELECT Statements. Each
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