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 97 times)

neverstopbelieb

  • Hero Member
  • *****
  • Posts: 534
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



Related Topics

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
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
Wow, this really help


carojassy25

  • Member
  • Posts: 299
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

For a complete list of videos, visit our video library