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Data Scrubbing 70,000 records
Project Description:
We need services of a developer competent in data cleansing/Data scrubbing.
Scope:
- 70,000 records in CSV format.
- Process needs updating single file data set, standardizing it, verifying email syntax and de-duplicating records.
-The successful Organization/Individual will be required to sign a confidentially agreement prior to starting work on the project.
Skills required are Big Data, Data Mining, Database Administration, Data Processing, Excel
domain
Deletion Anomalies: Loss of important Information: In some cases, useful information may be lost when a tuple is deleted. For instance, if we delete the tuple corresponding to stu
Explain the term - Adjustment of inheritance The inheritance can be enlarged as object design progresses by changing class structure. The designer should do: i) Adjust or r
Define the notation for classes and atrributes The notation for class, attribute, and operations are shown below: Figure: Class with attributes and operations A
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Discuss along with examples about several types of attributes present in the ER model? Types of Attributes are: • SIMPLE attributes are attributes which are drawn from the ato
(a) Provide the description of the following ODMG schema in the Object Definition Language (ODL). (b) Based on the above object database, write the following queries i
Explain the difference between using functions along with and without grouping attributes in relational algebra. Give examples. Ans: Group functions are used to group data of
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