Oracle protects the data in the database by implementing security via users, roles, and privileges. The SQL language commands used to accomplish these security tasks are known as Data Control Language ...
DCL（DataClawe Command Language）は、シンプルなJSONを使ってデータベースと通信するためのオープン標準仕様です。 DCLは内部でネイティブSQLに変換されます。既存のデータベースは変更不要。
the name of a character variable whose value is a DCL command. In the windowing environment, a new window is displayed when the command executes. Any output from the command is displayed (for example, ...
System administrators can specify the NOXCMD option to prevent users from issuing any DCL commands. You can use the SYSTASK statement to execute DCL commands asynchronously. For more information, see ...
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