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
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