以下是Oracle视图v$database的创建语句，数据提取来自Oracle 10g 10.2.0.4版本数据库，供参考：
SELECT di.inst_id, di.didbi, di.didbn,
TO_DATE (di.dicts, 'MM/DD/RR HH24:MI:SS', 'NLS_CALENDAR=Gregorian'),
TO_NUMBER (di.dirls),
TO_DATE (di.dirlc, 'MM/DD/RR HH24:MI:SS', 'NLS_CALENDAR=Gregorian'),
TO_NUMBER (di.diprs),
TO_DATE (di.diprc, 'MM/DD/RR HH24:MI:SS', 'NLS_CALENDAR=Gregorian'),
DECODE (di.dimla, 0, 'NOARCHIVELOG', 1, 'ARCHIVELOG', 'MANUAL'),
TO_NUMBER (di.discn), TO_NUMBER (di.difas),
DECODE (BITAND (di.diflg, 256),
256, 'CREATED',
DECODE (BITAND (di.diflg, 1024),
1024, 'STANDBY',
DECODE (BITAND (di.diflg, 32768),
32768, 'CLONE',
DECODE (BITAND (di.diflg, 4096),
4096, 'BACKUP',
'CURRENT'
)
)
)
),
TO_DATE (di.dicct, 'MM/DD/RR HH24:MI:SS', 'NLS_CALENDAR=Gregorian'),
di.dicsq, TO_NUMBER (di.dickp_scn),
TO_DATE (di.dickp_tim, 'MM/DD/RR HH24:MI:SS', 'NLS_CALENDAR=Gregorian'),
DECODE (BITAND (di.diflg, 4),
4, 'REQUIRED',
DECODE (di.diirs, 0, 'NOT ALLOWED', 'ALLOWED')
),
TO_DATE (di.divts, 'MM/DD/RR HH24:MI:SS', 'NLS_CALENDAR=Gregorian'),
DECODE (di.didor,
0, 'MOUNTED',
DECODE (di.didor, 1, 'READ WRITE', 'READ ONLY')
),
DECODE (BITAND (di.diflg, 65536),
65536, 'MAXIMUM PROTECTION',
DECODE (BITAND (di.diflg, 128),
128, 'MAXIMUM AVAILABILITY',
DECODE (BITAND (di.diflg, 134217728),
134217728, 'RESYNCHRONIZATION',
DECODE (BITAND (di.diflg, 8),
8, 'UNPROTECTED',
'MAXIMUM PERFORMANCE'
)
)
)
),
DECODE (di.diprt,
1, 'MAXIMUM PROTECTION',
2, 'MAXIMUM AVAILABILITY',
3, 'RESYNCHRONIZATION',
4, 'MAXIMUM PERFORMANCE',
5, 'UNPROTECTED',
'UNKNOWN'
),
DECODE (di.dirae,
0, 'DISABLED',
1, 'SEND',
2, 'RECEIVE',
3, 'ENABLED',
'UNKNOWN'
),
TO_NUMBER (di.diacid), TO_NUMBER (di.diacid),
DECODE (BITAND (di.diflg, 33554432),
33554432, 'LOGICAL STANDBY',
DECODE (BITAND (di.diflg, 1024),
1024, 'PHYSICAL STANDBY',
'PRIMARY'
)
),
TO_NUMBER (di.diars),
DECODE (BITAND (difl2, 1), 1, 'ENABLED', 'DISABLED'),
DECODE (di.disos,
0, 'IMPOSSIBLE',
1, 'NOT ALLOWED',
2, 'SWITCHOVER LATENT',
3, 'SWITCHOVER PENDING',
4, 'TO PRIMARY',
5, 'TO STANDBY',
6, 'RECOVERY NEEDED',
7, 'SESSIONS ACTIVE',
8, 'PREPARING SWITCHOVER',
9, 'PREPARING DICTIONARY',
10, 'TO LOGICAL STANDBY',
'UNKNOWN'
),
DECODE (di.didgd, 0, 'DISABLED', 'ENABLED'),
DECODE (BITAND (di.diflg, 1048576),
1048576, 'ALL',
DECODE (BITAND (di.diflg, 2097152),
2097152, 'STANDBY',
'NONE'
)
),
DECODE (BITAND (diflg, 1073741824),
1073741824, 'YES',
DECODE (BITAND (diflg, 131072 + 262144 + 524288),
0, DECODE (BITAND (difl2, 2), 0, 'NO', 'IMPLICIT'),
'IMPLICIT'
)
),
DECODE (BITAND (di.diflg, 131072), 131072, 'YES', 'NO'),
DECODE (BITAND (di.diflg, 262144), 262144, 'YES', 'NO'),
DECODE (BITAND (di.diflg, 268435456), 268435456, 'YES', 'NO'),
di.diplid, di.dipln, di2.di2rdi, di2.di2inc, TO_NUMBER (di.dicur_scn),
DECODE (BITAND (di2.di2flag, 1),
1, 'YES',
DECODE (di2.di2rsp_oldest, 0, 'NO', 'RESTORE POINT ONLY')
),
DECODE (BITAND (diflg, 524288), 524288, 'YES', 'NO'),
DECODE (BITAND (difl2, 2), 2, 'YES', 'NO'), di.didbun,
TO_NUMBER (di2.di2actiscn),
DECODE (di.difsts,
0, 'DISABLED',
1, 'BYSTANDER',
2, 'SYNCHRONIZED',
3, 'UNSYNCHRONIZED',
4, 'SUSPENDED',
5, 'STALLED',
6, 'LOADING DICTIONARY',
7, 'PRIMARY UNOBSERVED',
8, 'REINSTATE REQUIRED',
9, 'REINSTATE IN PROGRESS',
10, 'REINSTATE FAILED',
''
),
di.diftgt, di.difths,
DECODE (di.difopr, 1, 'YES', 2, 'NO', 3, 'UNKNOWN', ''), di.difobs
FROM x$kccdi di, x$kccdi2 di2
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