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Assuming Z and Y are the two control variables, the following are the constraints laid out for maximizing the profit: Maximize profit (P) = 8X – 5Y Subject to Constraint-1: 2X + Y ≤ 1000 Constraint-2: 3X + 4Y ≤ 2400 Constraint-3: X + Y ≤ 800 Constraint-4: X – Y ≤ 350 Constraint-5: X ≥ 0 Constraint-6: Y ≥ 0 Which of the above constraints is a redundant one and does not have any effect on the solution?
Match the following with respect to RDBMS: A. Entity integrity 1. enforces some specific business rule that do not fall into entity or domain B. Domain integrity 2. Rows can’t be deleted which are used by other records C. Referential integrity 3. enforces valid entries for a column D. User defined integrity 4. No duplicate rows in a table
Compare the following sentences: (1) He is a man of high professional integrity. (2) Our defense forces are determined to preserve our national Integrity. (3) His personal integrity is beyond question. Identify sentence (s) in which the word integrity implies the quality of honesty and strong moral principles.
In SQL, which command is used to add a column/integrity constraint to a table
Identify the correct option with reference to Software Quality Metrics. * (1 – security) b) Integrity = * (1 – security) c) Integrity = . d) Integrity = Sigma.
Consider a database table T containing two columns X and Y each of type integers. After the creation of the table, one record (X= 1, Y=l) is inserted in the table. Let MX and MY denote the respective maximum values of X and Y among all records in the table at any point in time. Using M X and MY, new records are inserted in the table 128 times with X and Y values being MX + 1, 2*MY + 1 respectively. It may be noted that each time after the insertion, values of MX and MY change. What will be the output of the following SQL query after the steps mentioned above are carried out? SELECT Y FROM T WHERE X=7;
Two particles of equal masses are connected by an inextensible string of length L. One of the masses is constrained to moves on the surface of a horizontal table. The string passes through a small hole in the table and the other mass is hanging below the table. The only constraint is that the first mass moves on the surface of the table. The number of degree of freedom of the masses string system is
When they had a meeting seven company executives __ T, U, V, W, X, Y and Z ___ sit at a rectangular table .Three executives sit along one side of the table , and three sit along the other side, each directly opposite one of the other three. The seventh sits at the head of the table . There is no seat at the foot of the table . Ualways sits in one of te two seats farthest from the head of the table. Y and V always sit next to each other .V never sits next to Z . If Z does not sit at the head of the table, W sits there. If W sits directly opposite T, X must sit next to which of the following excutives?
“CREATE TABLE …” command is used to create which type of table in Mysql?
"CREATE TABLE ..." command is used to create which type of table in Mysql?