[Answered] Give a definition of entity integrity constraint. What will be an ideal ...

This topic contains a solution. Click here to go to the answer

Author Question: Give a definition of entity integrity constraint. What will be an ideal ... (Read 100 times)

neverstopbelieb

Hero Member
Posts: 534

on: Jul 7, 2018

Give a definition of entity integrity constraint.

What will be an ideal response?

Question 2

An advantage of PERT diagrams is the easy determination of slack time.

Indicate whether the statement is true or false

Need homework help now?

Ask unlimited questions for free

Ask a Question

Marked as best answer by a Subject Expert

morganmarie791

Sr. Member
Posts: 336

Reply #1 on: Jul 7, 2018

Answer to Question 1

In a relational table, no primary key column can have null (empty) values.

Answer to Question 2

TRUE

neverstopbelieb

Member
Posts: 534

Reply 2 on: Jul 7, 2018

YES! Correct, THANKS for helping me on my review

elyse44

Member
Posts: 319

Reply 3 on: Yesterday

Wow, this really help

« previous next »

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.