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What is the relationship that exists inside in E-R diagram?
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What are the various ways to execute a query in teradata?
what is Normalization means..?
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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.
You are creating a Index on EMPNO column in the EMPLOYEE table. Which statement will you use?
What is relational database with example?
plz suggest me the book for preparation of NIC exam.
Is it possible to update AS400 database record while reading it with no lock
what is ad-hoc access? what is the diff b/w managed query and ad-hoc access?
What is lagging in DBMS ?
What are different types of resources?
Which three commands cause a transaction to end?
What are the types of joins?
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