What are the differences between Database Trigger and
Integrity constraints ?
Answer Posted / nilkantha
I can't find the answer.Pls Give me the right answer
Is This Answer Correct ? | 1 Yes | 2 No |
Post New Answer View All Answers
Does facebook use graph database?
Can a database table exist without a primary key?
HOW PASS PARAMETERS FOLLOWING ORDER RPG-CL-RPG?
What are the most common databases?
What are different types of blocks used in stored procedure?
Explain the various types of normalization.
What is the importance of database partitioning?
What is a database example?
Explain the record term used in database.
What is difference between data and database?
Why merge statement is used inside the database?
aht is the difference b/w network & hierarchial & relational dbms????
london school of science and technology has a software development unit,known as lsst solutions,which is responsible for developing and implementing software throughout the collegejames tristan keeps a record of all student details in the college including student id,name,and start date and phone number.There are many courses offered by LSST. For example MBA, MSc, BSc, BABS, DF, English etc. Each course id identified by course id, description, duration. Each course has many semesters. Each semester takes place during a particular term. Semester details and term details are required to be stored in the database. Each course has many subjects and same subject may be offered in many courses. For each subject many details such as Subject code, name, result and attendance are required to be stored. Every subject has mainly two assessments; one assignment and one exam. Assignment is worth of 30% and exam 70% respectively. You have been appointed as a database designer. Your job is to provide ERD with all possible entities and relationships. Note: Feel free to make necessary assumptions 3: Assignment Tasks. 1. Create an ERD for the above problem 2. Translate the ERD to Relational Data model (RDM) 3. Implement the RDM by creating the tables 4. Populate the database with your own data. 5. SQL Queries for the following tasks a. List all student details in each course along with course details b. Count and display number of students in each course. c. List student name, course name, assessment description, marks for all students.
What is the difference between primary and candidate key?
What are the advantages of using database?