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Parameter and Keyword Description:
dynamic_string:
This is a string variable, literal, or expression which represents a SQL statement or the PL/SQL block.
define_variable_name:
This identifies a variable which stores a SELECTED column value.
record_name:
This identifies a user-defined or %ROWTYPE record which stores a SELECTED row.
bind_argument_name:
These identify an expression whose value is passed to the PL/SQL block or dynamic SQL statement.
INTO ...:
This clause, useful only for specifies the variables record, or single-row queries into which the column values are fetched.
USING ...:
This clause specifies the list of bind arguments. If you do not specify the parameter mode, it default to IN. At run time, a few bind arguments in the USING clause substitute the corresponding placeholders in the PL/SQL block or SQL statement.
Bulk Fetching The illustration below shows that you can bulk-fetch from a cursor into one or more collections: DECLARE TYPE NameTab IS TABLE OF emp.ename%TYPE; TYPE S
Difference between 9i & 10G When Oracle releases any new databases then it are having some discrepancy with them. But 10G is having much difference than oracle 9i has. Oracle
Definition of CROSS JOIN - SQL Let s = t1 CROSS JOIN t2, where t1 and t2 are table expressions optionally accompanied by range variables. Then: Note: Here T denotes Table
Error Handling The PL/SQL makes it easy to detect and process the predefined and user-defined error conditions known as exceptions. Whenever an error occurs, an exception is ra
What Is a Collection The collection is an ordered group of elements, all of similar type (for e.g. the grades for a class of students). Each element has a unique subscript whic
EXIT-WHEN The EXIT-WHEN statement permits a loop to complete conditionally. Whenever the EXIT statement is encountered, the condition in the WHEN clause is computed. When the co
Using Pragma RESTRICT_REFERENCES: The function called from the SQL statements should obey certain rules meant to control the side effects. To check for violation of the rules,
Advantages of PL/SQL The PL/SQL is a high-performance transaction processing, completely portable language that offers the following advantages as shown: 1) Support for SQL
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
Implicit Cursor Attributes The Implicit cursor attributes returns the information about the execution of an INSERT, DELETE, UPDATE, or SELECT INTO statement. The cursor attribu
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