mysql workbench建表时PK,NN,UQ,BIN,U
2016-12-30 本文已影响104人
CommandM
PK: PRIMARY KEY
NN: NOT NULL
UQ: UNIQUE INDEX
BIN: BINARY
UN: UNSIGNED
ZF: ZEROFILL
AI: AUTO_INCREMENT
G: Generated Column
PK: PRIMARY KEY
NN: NOT NULL
UQ: UNIQUE INDEX
BIN: BINARY
UN: UNSIGNED
ZF: ZEROFILL
AI: AUTO_INCREMENT
G: Generated Column