What do the workbench column icons for mysql mean in ER chart?

Can someone help me explain the icons in the ER diagram of a database created in MySQL Workbench.

x

  • Blue diamond (filled);
  • Blue diamond (unfilled);
  • Red diamond etc.

    Thank!
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1 answer

I found these resources on the MySQL website:

, , . , NN.

.

:

  • Blue Diamond (Filled) = NOT NULL
  • Blue Diamond () = NULL
  • Red Diamond, et cetera = {fill: NOT NULL, unilled: NULL}
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