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SELECT * from V$NLS_PARAMETERS
1       NLS_LANGUAGE SIMPLIFIED CHINESE
2       NLS_TERRITORY         CHINA
3       NLS_CURRENCY RMB
4       NLS_ISO_CURRENCY CHINA
5       NLS_NUMERIC_CHARACTERS       .,
6       NLS_CALENDAR GREGORIAN
7       NLS_DATE_FORMAT     DD-MON-RR
8       NLS_DATE_LANGUAGE         SIMPLIFIED CHINESE
9       NLS_CHARACTERSET AL32UTF8
10      NLS_SORT BINARY
11      NLS_TIME_FORMAT      HH.MI.SSXFF AM
12      NLS_TIMESTAMP_FORMAT    DD-MON-RR HH.MI.SSXFF AM
13      NLS_TIME_TZ_FORMAT        HH.MI.SSXFF AM TZR
14      NLS_TIMESTAMP_TZ_FORMAT       DD-MON-RR HH.MI.SSXFF AM TZR
15      NLS_DUAL_CURRENCY        RMB
16      NLS_NCHAR_CHARACTERSET      UTF8
17      NLS_COMP         BINARY
18      NLS_LENGTH_SEMANTICS    BYTE
19      NLS_NCHAR_CONV_EXCP    FALSE
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oracle constraints(1)

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1¡¢db_name Êý¾Ý¿âÃû
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¡¡¡¡db_name string test1
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Oracle dataguardÅäÖÃStep by Step

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1.1 ÉèÖÃÖ÷¿âµÄforce loggingģʽ
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Database altered.
1.2 ´´½¨Ö÷¿âÃÜÂëÎļþ
$ orapwd file=orapw$ORACLE_SID password=thunis entries=4
1.3 ÅäÖÃÖ÷¿âstandby redo log£¬²¢ÑéÖ¤½á¹û
SQL> alter database add standby logfile group 4('/u01/app/oradata/guar ......

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