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What is transaction?
Collections of operations that form a single logical unit of work are known as transactions.
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
What is MySQL? MySQL is a relational database management system which has eleven million installations. It can be used for both Linux and Window. Managing database includes add
as a customer service employee, explain five measures you would recommend a displeased student to patronise a school canteen
Explain the differences between structured data and unstructured data. Structured data are facts concerning objects and events. The most significant structured data are numeric
crete a data base relationship model Entity: Students; Professors; Dormitories buildings; Attributes of students: Name; Address; Dorm;
Which is another name for weak entity? Child is another name of weak entity.
Derived horizontal fragmentation: Some applications may include a join of two or more relations. If the relations are stored at dissimilar locations, there may be a major overhead
external and internal mapping with examples
1. Explain different addressing modes of 8086 Explanation of all addressing modes 2. Write a sequence of instructions to exchange two register contents using stack
What is hashing file organization? In the hashing file organization, a hash function is computed on some attribute of every record. The result of the hash function specify in
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