摘要： MySQLWorkbench建表时PK,NN,UQ,BIN,UN,ZF,AL的意思- PK: primary key (column is part of a pk)主键- NN: not null (column is nullable)是否为空- UQ: unique (column is part of a unique key) 外键- AI: auto increment (the column is auto incremented when rows are inserted) 自动增加- BIN: binary (if dt is a blob or similar, this 阅读全文