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Define Sequence A sequence is a set of integers 1, 2, 3 that are generated in order on demand. Sequences are regularly used in databases because lots of applications require ev
sql is relationally complete-justify
Product adder required for Ecommerce website Project Description: Want a product adder for 500 products I have a magento website and need products pulled from site A to my si
What are the advantages of by using an index and what are its disadvantages ? In difference, if the search key of a secondary index is not a candidate key, it is not sufficient
Consider the relation PERSON. If you want to display details of persons having age less than or equal to 30 than the select operation will be used as follows: σ AGE The resu
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
Explain the paths in the association network We can analyze use of paths in the association network as given below: Calculate each operation Find associations whic
You are working for the ABC Telecom and are given some customer records for data mining. You are asked to discover, from the data, patterns that characterize low-, medium- and high
Explain What is Relation? A database relation is a predefined row or column format for storing information in a relational database. Relations are equal to tables.
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
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