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Which subset of the following statements aligns with Codd’s 1970 relational model?1) Queries should be expressed in a non-procedural, predicate-calculus style over relations treated as sets (tuple/attribute ordering is immaterial).2) The correctness of queries must not depend on access paths or physical storage (logical data independence).3) The model permits duplicate tuples and relies on tuple ordering to define operators like join and projection.4) Derived (“virtual”) relations (views) should be definable in the data language and used like base relations without exposing storage details.

2Q with 3 frames: LRU={1}, FIFO={2}. Next access: 2. New state?

Which condition causes puffy erythematous palate and is caused by an overgrowth of candida?

The direct connection of the bone to the implant is called:

What characteristics does pus/ suppuration usually hold?

How can clinicians minimize stress for the patient?

The classification of furcation that often occurs after periodontal surgery which allows access to the furcation is

An “overhanging margin” on a restoration can be detrimental because:

What is the key difference between a periodontal abscess and a pulpal abscess?

Which of the following materials are dental implants most commonly made from?