The three major types of column types used in MySQL are
Choosing a column data type is very important in order to achieve speed, effective storage and retrieval. Hence, I’ve dedicated two sessions to this topic. Now, I’ll be touching only the surface; for a thorough explanation refer the resources in What Next? session.
In addition to int (Integer data type), MySQL also has provision for floating-point and double precision numbers. Each integer type can take also be UNSIGNED and/or AUTO_INCREMENT.
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