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What is object identity? An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
Define DBA database administrator? DBA : A database administrator (DBA) is a person who is responsible for the environmental aspects of a database. In common, these involves:
Creating views with Replace option : This option is used to alter the definition of the view without recreating and dropping it or regranting object privileges previously granted o
explain thee diffrent types of data models
What are the three fundamental operations that are regular to MySQL Programs? a) Establishing a connection to the MySQL server b) Choosing a database. c) Disconnecting fr
Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
Atomicity: It describes a transaction to be a one unit of processing. We can also say either a transaction will be finished completely or not at all. In the transaction example 1
Three way to handle missing field val
what is multivalued dependency
What are the function of DBA?
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