Author Question: What type of JDBC driver translates JDBC calls into DBMS-independent network protocols? A) Type 1 ... (Read 180 times)

Lisaclaire

  • Hero Member
  • *****
  • Posts: 569
What type of JDBC driver translates JDBC calls into DBMS-independent network protocols?
 
  A) Type 1 driver
  B) Type 2 driver
  C) Type 3 driver
  D) Type 4 driver

Question 2

What is a surrogate key and how does Microsoft Access 2013 create surrogate keys?
 
  What will be an ideal response?



samiel-sayed

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

C

Answer to Question 2

A surrogate key is usually a computer-generated unique number that serves as the identifier of each row in a table. Microsoft Access 2013 generates surrogate keys by using the Microsoft Access AutoNumber data type.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

For a complete list of videos, visit our video library