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Parameter and Keyword Description:
EXIT:
An unconditional EXIT statement (i.e., one without a WHEN clause) exits the present loop instantly. The Execution resumes with the statement following the loop.
label_name:
This identifies the loop to be exit. You can exit not only the preent loop but any enclosing labeled loop.
boolean_expression:
This is an expression which yields the Boolean value TRUE, FALSE, or NULL. It is computed with each iteration of the loop in which the EXIT WHEN statement appear. If the expression yields TRUE, then the present loop (or the loop labeled by label_name) is exited instantly.
Passing Cursor Parameters You use the OPEN statement to pass the parameters to a cursor. Unless you want to accept the default values, each proper parameter in the cursor decl
%ROWCOUNT The %ROWCOUNT yields the number of rows affected by the INSERT, UPDATE, or DELETE statement, or returned by a SELECT INTO statement. The %ROWCOUNT yields zero when a
If two relations R and S are joined, then the non matching tuples of both R and S are ignored in __________________.
SQL outer join SELECT * FROM IS_CALLED NATURAL LEFT JOIN IS_ENROLLED_ON Note that adding LEFT to an invocation of CROSS JOIN has no effect unless the right-hand operand
Using EXCEPTION_INIT To handle unnamed internal exceptions, you should use the OTHERS handler or the pragma EXCEPTION_INIT. The pragma is a compiler directive that can be th
Object Types An object type is a user-defined complex datatype which encapsulates the data structure along with the functions and procedures required to manipulate the data. Th
Advantages of Subprograms The Subprograms give extensibility; that is, tailor the PL/SQL language to suit your requirements. For illustration, if you require a procedure which
Write a stored procedure that accepts the post code in which the customer resides as the input parameter. The procedure should then use an explicit cursor to display comprehensive
Defining Autonomous Transactions To define an autonomous transaction, you use the pragma (compiler directive) AUTONOMOUS_TRANSACTION. The pragma instructs the PL/SQL compiler
Project Description: I want a small relational database to be built. I want the database to have the subsequent information tables: Employee Information Document storage
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