February 2018
Intermediate to advanced
510 pages
16h 10m
English
Content preview from MySQL 8 Administrator???s Guide
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Type attributes
As shown earlier, while defining integer columns, we can also specify an optional display width attribute. For example, INT(5) indicates an integer number with a display width of 5 digits. When this column is used in the SELECT query, the output will display the number left padded with spaces. So, if the value stored in the INT(5) column is 123, then it will be displayed as __123. The _ will be a space in the actual output.
However, the display width doesn't limit the range of values which can be stored in the INT(5) column. The question then arises: What if we store a value for which the display width is larger than the display width specified? The display width doesn't prevent values wider than the display width of a column ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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