1 DICTIONARY The DICTIONARY command is used to invoke the Oracle CDD/Repository utilities. Command Syntax: DICTIONARY [option] Where option specifies the utility to invoke. If no option is specified, OPERATOR is the default. See also REPOSITORY OPERATOR; the DICTIONARY OPERATOR and the REPOSITORY OPERATOR commands perform the same function. Each command can be used to invoke the CDO utility. 2 OPERATOR The DICTIONARY OPERATOR command invokes the CDO utility. CDO is an interactive utility that allows you to define and manage CDO dictionaries, define data definitions, perform pieces tracking, and verify and fix dictionaries. For more information about CDO, type: $ DICTIONARY OPERATOR At the CDO> prompt, type HELP.