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Which two statements about creating constraints are true? （）
- A、Constraint names must start with SYS_C
- B、All constraints must be defines at the column level
- C、Constraints can be created after the table is created
- D、Constraints can be created at the same time the table is created
- E、Information about constraints is found in the VIEW_CONSTRAINTS dictionary view
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更多 “Which two statements about creating constraints are true? （）A、Constraint names must start with SYS_CB、All constraints must be defines at the column levelC、Constraints can be created after the table is createdD、Constraints can be created at the same time the table is createdE、Information about constraints is found in the VIEW_CONSTRAINTS dictionary view” 相关考题
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