翻訳と辞書 |
system catalog The data dictionary of a DBMS. The system catalogue stores meta-data including the {schemas} of the databases. It is a mini-database, and is usually stored using the DBMS itself in special tables called {system tables}. It maybe referred to as being "on line", as it is active, and can be queried by users like any other table. (1999-04-27)
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