What do you mean by foreign key and primary key?

0 Answers   Zensar,

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Explain transaction manager?

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Can a database table exist without a primary key?

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write a query for the fifth highest salary?

17 Answers   IBM, Matlabs, Ramco,

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How much does it cost to build a database?

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can anyone please tell what are the roles and responsibilities of a teradata developer in detail???

1 Answers  

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Please post the scenerois for writing the complex sql queries , for my practice.Can be any query if you cannot solve.

0 Answers  

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How does rows store in Teradata

1 Answers  

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Explain about ur projets on teradata???

0 Answers   Wipro,

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1. How to test Database? Please, give me all details for "SQL,Msaccess, Mysql Database? 2.For which functionalities database used? 3.How to convert Guest to Admin by Mysql database?

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How to do performance tunning a database in DB2 V8.2 UDB in linux

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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.

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