Draw the E-R diagram for the database of a departmental store having the following relational database scheme Employees(e-no, address) Department(d-name) work-n(e-no, d-name) Looking-after(d-name, e-no) Item (item-no, brand-name, model-no, cost-price, sale-price)

12914

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Explain the difference between require() and require_once()?

966

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While finding the velocity of gear B , in case of a simple epicyclic gear train, why do we take tke velocity of gear A to be ZERO(0)if the arm is rotated with speed equal to that of gear A and in opposite direction?

2003

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List the requirements to install valet?

730

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what is the difference between pdf and excel format after saving the report?

6523

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How do you create surrogate key using ab initio?

996

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What is margin and padding?

602

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A 400 V, 50 Hz, Δ connected synchronous generator has a field reactance of 0.1 Ω and armature resistance of 0.015 Ω. At full load, the machine supplies 1200 A at 0.8 pf lagging. Under full-load conditions, the friction and windage losses are 40 KW and the core losses are 30 KW. What is the machine’s overall efficiency? Ignore any field circuit losses.

1920

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What is the function of finish in idms?

887

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what is publisher?

2108

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How does thread synchronization occurs inside a monitor?

1102

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How do you auto add in excel?

770

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what is Predecessor Company?

5149

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Why you need class group?

826

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what is the difference between pvc & fiber glass cables

1564

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