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MySQL workbench basically uses [create a data table]
2022-07-19 05:59:00 【Don't worry】
tips: To make the data table look convenient and clear , You can put Result area Turn off first - Click the middle icon in the upper right corner .
Double click to open the newly created database -Tables-Create Table...
Fill in the relevant information in the data sheet -Apply
among , The meaning of some characters in the figure
Field data type INT: Integers
TINYINT(1): Boolean value
VARCHAR(length): String type ,length Indicates the limit of length
Special logo PK:primary key Primary key , Unique identification
NN:not null Value cannot be empty
UQ:unique Value cannot be duplicate
AI:auto increment The value increases automatically
eject SQL Pop up of statement , direct Apply-Finish
The newly added data table appears in the left database column users
Mouse click users, The basic description of the data table will appear in the lower left corner
A data table is created .
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