标签:unique fixed generated ima ini format res ring generate
column_definition:
data_type [NOT NULL | NULL] [DEFAULT default_value]
[AUTO_INCREMENT] [UNIQUE [KEY]] [[PRIMARY] KEY]
[COMMENT ‘string‘]
[COLUMN_FORMAT {FIXED|DYNAMIC|DEFAULT}]
[reference_definition]
| data_type [GENERATED ALWAYS] AS (expression)
[VIRTUAL | STORED] [NOT NULL | NULL]
[UNIQUE [KEY]] [[PRIMARY] KEY]
[COMMENT ‘string‘]
COLUMN_FORMAT 的值:FIXED、DYNAMIC、DEFAULT 的区别(待补充)
标签:unique fixed generated ima ini format res ring generate
原文地址:https://www.cnblogs.com/cag2050/p/10305990.html