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4. Describe three ways to handle missing field values
Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
Aggregate functions Some of these functions are min, count, max, and avg. These functions help in getting consolidated information from a set of tuples. Example:
explain participation constraints with examples
What is the difference among a primary index and a secondary index? Primary Index: A primary index is an ordered file whose records are of fixed length along with two fields.
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Describe analysis of access paths To describe analysis of access paths, consider an example of the design of a company's employee skills database. A part of the object model fr
What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
what problems are raised by the database? why is it so controversial? why is data quality an issue?
Control as State within Program 1. The term control exactly means to check effect of input within a program. For illustration, in Figure, after the ATM card is inserted (a
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