Oracle pl/SQL programming simple data type definition operations

Source: Internet
Author: User

Oracle pl/SQL programming simple data type definition operation begin dbms_output.put_line ('Hello World'); // dbms_output = system. out put_line = println end;/set serveroutput on; set to print the output to the command line. By default, v_name varchar (20); begin v_name: = 'mynane '; // value assignment statement: = pascl syntax dbms_output.put_line (v_name); end; the/ed command stores the command line data to a temporary file. | the connector dbms cannot print a boolean value. // % type indicates that the data type can be a variable or a data table. field

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