문서의 선택한 두 판 사이의 차이를 보여줍니다.
양쪽 이전 판 이전 판 | |||
dbms:oracle:concept:dblink [2010/02/24 00:46] starlits |
dbms:oracle:concept:dblink [2010/02/24 00:47] (현재) starlits |
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줄 14: | 줄 14: | ||
- The optimizer only has knowledge of local indexes when making decisions about how to execute a query. | - The optimizer only has knowledge of local indexes when making decisions about how to execute a query. | ||
- Remote indexes can be still be used to resolve the decomposed query sent to the remote database. | - Remote indexes can be still be used to resolve the decomposed query sent to the remote database. | ||
- | - GROUP BY is not sent to the remote database. | + | - GROUP BY is not sent to the remote database. |
- | - ORDER BY is not sent to the remote database. | + | - ORDER BY is not sent to the remote database. |