PL/SQL Variable Types - Explore the different variable types in PL/SQL, including scalar, composite, reference, and more. Learn how to effectively use variables in your PL/SQL programming.
SQL Data Types BOOLEAN Data Type PLS_INTEGER and BINARY_INTEGER Data Types SIMPLE_INTEGER Subtype of PLS_INTEGER User-Defined PL/SQL Subtypes See Also: "PL/SQL Collections and Records"for information aboutcomposite data types "Cursor Variables"for information aboutREFCURSOR ...
v_year :=2010;-- More PL/SQL code here.END; Declare RECORD variables and types A specific RECORD TYPE corresponding to a fixed number (and datatype) of underlying table columns can simplify the job of defining variables. %TYPE is used to declare a field with the same type as that of ...
A wide range of data types are supported and can be used to declare variables in a PL/SQL block. Table 1. Supported scalar data types that are available in PL/SQL PL/SQL data typeDb2® SQL data typeDescription BINARY_INTEGER INTEGER Integer numeric data BLOB BLOB (4096) Binary data ...
Abstract This chapter is all about how to keep track of variables in a PL/SQL program. Before this chapter ends, you’ll learn about PL/SQL data types, variables, scope, types, and parameters. Let’s get started. Author information ...
Hello Reader Welcome to the World of PL/SQL PL/SQL procedure successfully completed. NULLs in PL/SQL PL/SQL NULL values representmissingorunknown dataand they are not an integer, a character, or any other specific data type. Note thatNULLis not the same as an empty data string or the nu...
Next, you define a set of variables (attributes) to represent the data, and a set of subprograms (methods) to perform the operations. Finally, you encapsulate the attributes and methods in an object type. The data structure formed by the set of attributes is public (visible to client progra...
• Literals, built-in functions (both deterministic and nondeterministic), and operators are permitted. • Subqueries, parameters【pəˈræmətərz范围;规范;决定因素;】, variables, stored functions, and loadable functions are not permitted. ...
You can find more information regarding the properties of this data type in Variables datatype properties. To access the value of a specific property, use the %VariableName[ItemNumber].PropertyName% notation. For example, the following expression returns the datatable value of the first item of...
The hint NOCOPY is applicable only to OUT and IN OUT types of variables : NOCOPY « Function Procedure Packages « Oracle PL/SQL TutorialOracle PL/SQL Tutorial Function Procedure Packages NOCOPY SQL> SQL> create or replace procedure p_validate(io_string IN OUT N...