Q1. Which two statements are true about the Oracle Data Dictionary?
- (A). It is owned by the sys user.
- (B). Data dictionary base tables can be queried directly.
- (C). It is owned by the system user.
- (D). Data dictionary views are always created with queries that join two or more base tables.
- (E). All data dictionary view joins base tables to dynamic performance views.
Answer: A,B
Oracle Data Dictionary: sở hữu bởi user sys, có thể query trực tiếp