# database

Most popular questions
1. ## database

ERD of _ A patient can make many appointments with one or more doctors in the clinic, and a doctor can accept appointments with many patients. However, each appointment is made with only one doctor and one patient. _ Emergency cases do not require an

asked by Anonymous on August 20, 2015
2. ## database

University XYZ needs a database that keeps track of students, what classes they taken and the grades for each of the classes. In addition, they need to know what instructors are on staff and the courses they are approved to teach. It is necessary to track

asked by Anonymous on May 15, 2011
3. ## Database

Following report shows a grade report that is mailed to students at the end of each semester. Prepare an E-R diagram reflecting the data contained in the Grade Report. Assume that each course is taught by one instructor. MILLENIUM COLLEGE GRADE REPORT FALL

asked by alhaji on September 16, 2012
4. ## Database

Following report shows a grade report that is mailed to students at the end of each semester. Prepare an E-R diagram reflecting the data contained in the Grade Report. Assume that each course is taught by one instructor. MILLENIUM COLLEGE GRADE REPORT FALL

asked by alhaji on September 15, 2012
5. ## Database

Can some help me produce a sample of Gas Station database that is normally used by the gas station?

asked by Jnr John on July 24, 2013
6. ## Database

22. Which one of the following schedules has a conflict? A) Sa: r1(X); r1(Y); r2(Z); r1(Z); w1(X); w1(Z) B) Sb: r1(X); r2(X); r1(X); r1(Y); r2(X); w1(Y) C) Sc: r1(Z); r2(X); w1(Z); r1(Y); w1(Z); w2(X) D) both a and b

asked by Frank on April 21, 2009
7. ## Database

Can Data Mining uncover hidden opportunities in a business? Please support your position.

asked by Robin on August 8, 2006
8. ## Database

What is the CAP theorem? Give an informal explanation of why it is true. What are the consequences, in the form of design decisions, that must be made when developing a highly distributed Web application?

asked by Olu on April 26, 2016
9. ## database

what is InnoDB

asked by john on March 8, 2016
10. ## database

Prove that for any relation R(X,Y) Select Select(R (X=x0) (Y=y0))) = Select (R(X=x0) and Y=y0)) What is an equivalent form of (Select(R (X=x0) or (Y=y0)))?

asked by SUE on April 21, 2009
11. ## database

How many conflicts are there in the schedule Sa: r1(Y); r2(Y); w1(Y); r1(Z); w2(Y); w1(Z)

asked by Frank on April 21, 2009
12. ## Database

How do you determine which field(s) to select as the primary key?

asked by John on September 9, 2008