Question: The entity integrity rule states that: no primary key attribute can be null. referential integrity must be maintained across all entities. each table must have

The entity integrity rule states that:
no primary key attribute can be null.
referential integrity must be maintained across all entities.
each table must have a foreign key.
a primary key must have only one attribute.
The entity integrity rule states that: no primary key attribute can

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

Question 21 6 points Which of the following about integrity constraints in relational database systems is/are correct? Select all that apply The entity Integrity rule states that no primary key...

Q:

The entity integrity rule states that: no primary key attribute can be null. referential integrity must be maintained across all entities. each entity must have a primary key. a primary key must have...

Q:

What rule states that no primary key attribute is allowed to be null? Group of answer choices partial specialization referential integrity constraint entity integrity atomic attribute rule range...

Q:

The _ _ _ _ _ _ _ _ states that no primary key attribute may be null. Question 1 options: range domain rule referential integrity constraint partial specialization rule entity integrity rule

Q:

The _ _ _ _ _ _ _ _ states that no primary key attribute may be null. Question 1 9 Select one: a . referential integrity constraint b . entity integrity rule c . partial specialization rule d . range...

Q:

The states that no primary key attribute may be null. range domain rule referential integrity constraint partial specialization rule entity integrity rule

Q:

The states that no primary key attribute may be null. partial specialization rule referential integrity constraint range domain rule entity integrity rule

Q:

Which of the following states that no primary key attribute may be null domain constraint key constraint entity integrity constraint referential integrity constraint none of the above

Q:

The entity integrity rule states that: C ) each entity must have a primary key. D ) a primary key must have only one attribute. A ) no primary key attribute can be null. B ) referential integrity...

Q:

The entity integrity rule states that: Question 1 0 options: A ) referential integrity must be maintained across all entities. B ) a primary key must have only one attribute. C ) no primary key...

Q:

Discuss the impact of an abusive house environment on a childs social life?

Q:

Polychlorinated biphenyls (PCBs) have been used extensively as dielectric materials in electrical transformers. Because PCBs have been shown to be potentially harmful, analysis for their presence in...

Q:

Suppose an underlining investment has a coupon rate of 1 0 percent with a yield to maturity of 4 percent. This investment matures in 6 years. The notional amount for this bond issuance is $ 1 , 0 0 0...

Q:

PLEASE SHOW WORK Bruton Inc. manufactures snowshoes using a two-department process. Direct materials are added at the beginning of the process in both the Assembly Department and the Finishing...

Q:

KEY QUESTION Use the ideas of consumer surplus and producer surplus to explain why economists say competitive markets are efficient. Why are below- or above-equilibrium levels of output inefficient,...

Q:

KEY QUESTION Gomez runs a small pottery firm. He hires one helper at $12,000 per year, pays annual rent of $5000 for his shop, and spends $20,000 per year on materials. He has $40,000 of his own...

Q:

KEY QUESTION Columns 1 through 4 in the table below show the marginal utility, measured in utils, that Ricardo would get by purchasing various amounts of products A, B, C, and D. Column 5 shows the...