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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.
Procedural Constraint Enforcement (Triggers) SQL has an alternative method of addressing database integrity, involving event-driven procedural code. The special procedures th
Important Distinctions The list of important distinctions are given below: Value versus variable Syntax versus semantics Variable versus variable reference
Use Serially Reusable Packages To help you to manage the use of memory, the PL/SQL gives the pragma SERIALLY_ REUSABLE that mark some packages as serially reusable . So mark
What are the rates for help in writing PL/SQL procedures and functions?
Effects of NULL in Aggregate Operator - SQL Let aggop(x) be an invocation of some aggregate operator aggop in SQL, where x is an expression (usually an open expression) to be
I need a query for PL/SQL, selecting names with cursor, goes down the list, assigns usernames (initials001) based on initials in the name. If two names have same initials the user
EXECUTE Privilege To call an invoker-rights routine straightforwardly, the users should have the EXECUTE privilege on that routine. By yielding the privilege, you permit a user
a. Write an anonymous block that contains a PL/SQL function. Given an order number orderNo, the function will calculate the total number of the parts in the order. Then the anonym
IN Mode An IN parameter pass the values to the subprogram being called. Within the subprogram, an IN parameter acts like a constant. And hence, it cannot be assigned a value.
Character Types The Character types allow you to store alphanumeric data, represent words and text, and manipulate the character strings. CHAR You use the CHAR dataty
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