Answer / Rohit Ranjan

There are several types of indexes available in databases, including clustered indexes, non-clustered indexes, unique indexes, primary key indexes, full-text indexes, and spatial indexes. The specific types of indexes available can vary depending on the database management system being used.

What are the advantages of views in a database?

1 Answers  

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Explain inner and outer joins with examples.

1 Answers   Agilent,

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First input columns brand, mt, re values are ov, 1,re vg, 2,re wu ,3,re. Second input columns are brand, mt, cx their records are ov,4,vg ,5,cx Wu, 6,cx and third input columns brand, mt, rt values are ov,7,rt vg, 8,rt wu, 9,rt but my output is brand, re, cx,rt values are ov, 1,4,7 vg, 2,5,8 wu, 3,6,9

1 Answers   IBM,

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Explain database partitioning.

1 Answers  

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What is the difference between specialization and generalization?

1 Answers   BirlaSoft,

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sparse lookup and where its options we find in OCI and db2?

1 Answers   TCS,

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What are different types of resources?

1 Answers  

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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.

1 Answers  

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What are the two categories of Client-Server application development?

1 Answers  

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What are the types of joins?

1 Answers   Tavant Technologies, Zensar,

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Explain the record term used in database.

1 Answers  

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What is a sequence? Explain it with one example?

1 Answers   BirlaSoft,

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