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1. Design the logic, using a looping structure, for a program that outputs every even number from 1 through 25 along with its square and cube.
2. Mr. Sanchez owns 12 apartment buildings. Each building contains 20 units that he rents for $725 per month each. Design the flowchart, using a looping structure, that would output 12 payment coupons for each of the 20 apartments in each of the 12 buildings. Each coupon should contain the building number (1 through12), the apartment number (1 through 20), the month (1 through 12) and the amount of rent due.
Optimistic Concurrency Control Is locking the only way to stop concurrency related problems? There exist some other ways too. One such way is known as an Optimistic Concurrency
Increases efficiency : Data is stored close to most often used site, therefore retrieval would be faster. Also, data that is not required by local applications is not stored, there
Explain Deadlock detection and recovery Deadlock Detection - A deadlock is said to take place when there is a circular chain of transaction, every waiting for the release of a
Properties of a Transaction A transaction has four main properties. These are: Atomicity Consistency Isolation or Independence Durability or Permanen
East Coast Aquarium Relational Database
What is relationship instance ? Relationship Instance - A relationship is a relation between two or more entities. An instance of relationship set is a set of relationships.
Explain Hierarchical Model ? Hierarchical Model - It was established to model several kinds of hierarchical organizations which exist in the real world. It uses tree structur
Illustrate how you can use QBE to perform logical AND and OR operation
The External or View Level The external or view level is the highest level of abstraction of database. It gives a window on the conceptual view, which permits the user to see
Give an example of Operations from the functions of a bank. For creation of a saving account, you can write: bank::: create -savings-account (customer)->account. For oper
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