List various types of log-based recovery in DBMS.

0 Answers   Verifone,

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5. Explain about relational algebra.

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How do you connect to a database?

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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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Differentiate between extension & intension?

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What is the difference between database and server?

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Explain partial key?

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How to do Data integrity testing? Who does this testing (Developer or tester)?

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How can we join three tables in SQL server 2000

2 Answers   Intelligroup,

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what are different types of datasets? what are different characteristics or properties of those datasets? what are the advantages and disadvantages of each dataset on each other?

1 Answers   OVGU,

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what is Normalization means..?

8 Answers   AZTEC, Bank Of America, Infosys, TCS,

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Is it possible to update AS400 database record while reading it with no lock

1 Answers  

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