DBãªã³ã¯ Oracleã®ãã¼ã¿ãã¼ã¹ãªã³ã¯ã®ã¡ã¢ã ãã¼ã¿ãã¼ã¹ãªã³ã¯ã¨ã¯ãå¥ã®DBï¼å¥ã®SIDï¼ã®ãã¼ãã«ã¸ã¢ã¯ã»ã¹ããçºã®æ©è½ã DBãªã³ã¯ã®ä½æ ãconnect USERNAME/PASSWORD@DBNAMEãã§æ¥ç¶ã§ããä»ã®DBã¸ã®DBãªã³ã¯ãä½æããä¾ã create database link LINKNAME connect to USERNAME identified by PASSWORD using 'DBNAME'; ä½æãæåããã¨ã以ä¸ã®ããã«ãã¦ãªã³ã¯å ã®ãã¼ãã«ã«ã¢ã¯ã»ã¹ã§ããã SQL> select * from TABLE@LINKNAME; DBãªã³ã¯ã®ç¢ºèª SQL> select * from user_db_links; DB_LINK -----------------------------------------------------
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