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Parameter and Keyword Description:
collection_name:
This keyword identifies the index-by table, nested table, or varray formerly declared within the present scope.
cursor_variable_name:
This keyword a PL/SQL cursor variable formerly declared within the present scope. Only the value of the other cursor variable can be assigned to the cursor variable.
object_name:
This keyword identifies an object (instance of the object type) formerly declared within the present scope.
record_name:
This keyword identifies a user-defined or %ROWTYPE record formerly declared within the present scope.
record_name.field_name:
This keyword identifies the field in a user-defined or %ROWTYPE record formerly declared within the present scope.
table_name.column_name:
This refers to the table and column that should be accessible when the declaration is explained.
variable_name:
This keyword identifies a variable formerly declared in similar scope.
Predefined Exceptions The internal exception is raised implicitly whenever your PL/SQL program exceeds a system-dependent limit or violates an Oracle rule. Each & every Oracle
ORIGIN OF EARTH - BIG-BAN G HYPOTHESIS - Origin of life is linked to origin of earth. Cosmos, the Universe originated 10-20 billion years ago by Big Bang (thermonu
Comparison Operators Usually, you use the comparison operators in the WHERE clause of a data manipulation statement to form the predicates, that compare one expression to anot
Name Resolution During the compilation, the PL/SQL compiler relates identifiers like the name of a variable with an address or memory location, actual value, or datatype. Th
Updating Objects: To change the attributes of objects in an object table, you can use the UPDATE statement, as the illustration below shows: BEGIN UPDATE persons p SET p
%FOUND Until the SQL data manipulation statement is executed, the %FOUND yields NULL. Afterward, the %FOUND yields TRUE, when an INSERT, UPDATE, or DELETE statement affected o
Using a Host Variable You can declare the cursor variable in the PL/SQL host environment like an OCI or Pro C program. To use the cursor variable, you should pass it as a host
Loop Labels Like the PL/SQL blocks, loops can also be labeled. The label, an undeclared identifier enclosed by double angle brackets, should appear at the beginning of the LOOP
CURRVAL and NEXTVAL The series is a schema object which generates the sequential numbers. Whenever you form a sequence, you can specify its primary value and an increment. T
Hi,am developing a library system and relating all the table is somehow complex,could you kindly assist me
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