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Consider the relational schema given below, where eId of the relation dependent is a foreign key referring to empId of the relation employee. Assume that every employee has at least one associated dependent in the dependent relation. Employee (empId, empName, empAge) Dependent(depId, eId, depName, depAge) Consider the following relational algebra query: ΠempId(employee)-ΠempId (employee⋈(empId = eID)∧(empAge ≤ depAge)dependent) The above query evaluates to the set of empIds of employees whose age is greater than that of
Two statements and three conclusions I, II and III are given below. Assuming the statements to be true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: Some gifts are jwelleries. All the jwelleries are designs. Conclusions: I. Some designs are gifts. II. Some jwelleries are gifts. III. None of the designs are gifts.
On the occasion of children’s day, some gifts are to be distributed among students of the school. The ratio of boys to girls in the school is 8 : 5 and the number of gifts given to each boy to each girl is 4 and 6 respectively. If total gifts distributed in the school is 3100, then what is the total number of students in the school?
Given below are four jumbled sentences. Select the option that gives their correct order. A. They were mysterious visitors who brought gifts to the babe in the manger. B. The Magi were wise men. C. Being wise, their gifts were no doubt wise ones. D. It was from there that the tradition of giving Christmas gifts began.
Amir divides 850 gifts into 4 children. Gift received by the first child, twice the gift which came in the other child's part, three times the gifts which came in the third child's part and four times the gift of the fourth child, all are equal. How many gifts are available to both the first and the second?
If the gifts are passed on, the whole purpose of the gift is defeated. Therefore, the gift should be one that is useful and at the same time it attracts you, appeals to you and you retain it. Conclusions : I.If gifts are retained , their utility increases. II.Gifts are not meant for repeated change of hands.
Consider the following three relations in a relational database. Employee(eId, Name), Brand(bId, bName), Own(eId, bId) Which of the following relational algebra expressions return the set of eIds who own all the brands? 
At an Electronic Data processing unit, five out of the eight program sets P,Q,R,S,T,U,V and W are to be operated daily. On any one day, except for the first day of a month, only three of the program sets must be the ones that were operated on the previous day. The program operating must also satisfy the following conditions: 1. If program P is to be operated on a day, V can’t be operated on that day. 2. If Q is to be operated on a day, T must be one of the programs to be operated after Q. 3. If R is to be operated on a day, V must be one of the programs to be operated after R. 4. The last program to be operated on any day must be either S or U. If the program sets R and W are to be operated on the first day, which of the following could be the other program on that day?
India's first gas exchange, the Indian Gas Exchange (IGX), was launched as a wholly owned subsidiary of Indian Energy Exchange. Which of the following statements are correct? 1. It is a digital trading platform that will allow buyers and sellers to trade both in the spot market and in the forward market for imported natural gas. 2. It will allow trade across three hubs - Dahej and Hazira in Gujarat and Kakinada in Andhra Pradesh. 3. Imported Liquified Natural Gas (LNG) will be regassified and sold to buyers through the exchange, removing the requirement for buyers and sellers to find each other. 4. Only inter-governmental trade in domestically produced natural gas is allowed at the gas exchange. Select the correct answer using the code given below:
Which of the following is/are true about Bill of Exchange?
1. A bill of exchange requires in its inception two parties.
2. A bill of exchange or 'draft' is a written order by the drawer to the drawee to pay money to the payee.
3. Bills of exchange are used primarily in international trade, and are written orders by one person to his bank to pay the bearer a specific sum on a specific date.
4. Definition of 'Bill of Exchange' is mentioned in Section 6 of the Negotiable Instrument Act.