Which set of statements is true about data dictionary views?
1 They are stored in the SYSTEM tablespace
2.They are based on virtual tables
3.They are owned by the SYS user,
4.They can be queried by a normal user only if the 07_DICTIONARY_ACCESSIBILITY parameter is set to TRUE.
5 The V$FIXED_TABLE view can be queried to list the names of these views
6. They are owned by the SYSTEM user.
A. 2,5, and 6
B. 1, 2, and 3
C. 1 and 3
D. 2,3,4, and 5
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