- What is logical view of data?
- Explain what are relation and their characteristics in detail?
- What are keys? How it is useful to Controlled redundancy?
- Explain integrity rules
- Explain relation set operators
- Explain joins in detail
- What is data dictionary and System Catalog?
- Explain relationship with relational database
- What are indexes?
- Explain the following
- Single Valued Attribute
- Multi Valued Attribute
- Simple Attribute
- Composite Attribute
- Derived Attribute
- What is connectivity and cardinality?
- What is Existence Dependency?
- Explain Weak Entity, ID-Dependent Entity
- What is Composite Entities?
- What two condition must be met before an entity can be classified as a weak entity? Give an example of a weak entity.
- What is a strong relationship? And how it is depicted in a crow’s foot ERD?
- What is recursive relationship? Give an example
- What is composite Entity?
- Discuss two ways in which the 1:M relationship between course and class can be implemented.
- How would you identify each of the following ERM components in a Crow’s Foot Model?
- An entity
- The cardinality
- A weak relationship
- A strong relationship
- Explain the difference between single-valued and simple attribute. Give an example
- Draw ER Diagram for following problem
The board of Snapdeal is expected to meet tomorrow to discuss the potential sale of India's third largest e-commerce firm to larger rival Flipkart. Also, on the agenda will be getting Nexus Venture Partners (NVP), an early investor in Snapdeal, to agree to the sale deal. The seven-member board of Jasper Infotech, which operates Snapdeal, includes representation from investors SoftBank, Kalaari Capital and Nexus Venture Partners (NVP), as well as co-founders Kunal Bahl and Rohit Bansal. The valuation of Snapdeal is believed to be one of the hurdles to the deal, as Kalaari and NVP were not in agreement with the valuation given by SoftBank, which is the largest shareholder in Snapdeal. SoftBank has now succeeded in getting Kalaari (another early-stage investor in Snapdeal) to agree but is yet to get NVP on board for the deal. The sources said once NVP agrees, the deal with Flipkart could be announced in a matter of weeks. The deal with Flipkart, if it happens, would...
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