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What are primary keys and foreign keys?
Primary keys are the unique identifiers for every row. They must have unique values and cannot be null. Due to their significance in relational databases, Primary keys are the most fundamental of all keys and constraints. A table can have only one Primary key. Foreign keys are both a method of ensuring data integrity and a manifestation of the relationship among tables.
What is virtual memory? Virtual memory is a technique that permits the execution of processes that may not be completely in memory. It is the separation of user logical memory
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Hypothesis ... since the Hebrew language is a Numerical language meaning that each letter in their alphabet has a numerical value. I believe, that the Hebrew-language based on a r
ascii code add=2unit,replace=1unit,delete=3unit.convert ascii code in minimum cost
Explain Telephone hand set and it's working. A standard telephone set is consisted of a transmitter, electrical network and a receiver for equalization, connected circuitry to
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What are the Advantages of Interviewing - Opportunity to motivate interviewee to give open and free answers to analyst's questions - allows analyst to probe for more f
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