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Overview of control structuresAccording to the structure theorem, any computer program can be written by using the basic control structures as shown in figure below. They can be combined in any way but is necessary to deal with the given problem.
Figure: Control StructuresThe selection structure tests the condition, and then executes one sequence of statements as an alternative of another, depending on whether the condition is true or false. The condition is any variable or expression that returns a Boolean value (TRUE or FALSE). The iteration structure executes a series of statements repetitively as long as a condition holds true. The sequence of structure simply executes a sequence of the statements in the order in which they occur.
Mutual Recursion The Subprograms are mutually recursive if they directly or indirectly call each other. In the illustration below, the Boolean functions odd & even, that dete
Using Invoker Rights: By default, the stored procedure executes with the privileges of its definer, not its invoker. These procedures are bound to the schema in which they inh
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Recursive Subprograms The recursive subprogram is the one that calls itself. Think of a recursive call as a call to a few other subprograms that does the similar task as your
Demonstrate your knowledge of PL/SQL programming by writing and thoroughly testing triggers and stored procedures associated with an e-commerce application that provides security l
DBMS_PIPE: The Package DBMS_PIPE allows various sessions to communicate over the named pipes. (A pipe is a region of memory used by one of the process to pass information to
BIOCHE M ICA L ORIGIN OF LIFE - It is generally agreed by astronomers, geologists and biologists that the earth is approximately 4500-5000 million years old. It is an
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Example of DELETE - SQL As with UPDATE, a FOR PORTION OF clause can be specified if the target table has a defined period name, as illustrated in Example. Example: Deleting
Organi c Evolution Evolution is a slow continuous, irreversible and natural process of change to give rise to advance and diverse forms of life i.e. formation of new specie
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