Examlex
Given two events, A and B, if the probability of A is 0.7, the probability of B is 0.3, and the joint probability of A and B is 0.21, then the two events are independent.
OLTP
stands for Online Transaction Processing, a class of software programs capable of supporting transaction-oriented applications on the internet.
Batch Processing
A processing method where data or transactions are accumulated over a period and processed as a single group.
OLAP
Online Analytical Processing, a category of software tools that provides analysis of data stored in a database, enabling complex calculations, trend analysis, and data modeling.
Source Data Processing
The handling or manipulation of raw data to prepare it for further analysis, including validation, sorting, reduction, and transformation.
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