| TABLE_CATALOG |
varchar(512)
|
utf8_general_ci
|
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| TABLE_SCHEMA |
varchar(64)
|
utf8_general_ci
|
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| TABLE_NAME |
varchar(64)
|
utf8_general_ci
|
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| COLUMN_NAME |
varchar(64)
|
utf8_general_ci
|
|
|
| ORDINAL_POSITION |
bigint(21)
|
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| COLUMN_DEFAULT |
longtext
|
utf8_general_ci
|
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| IS_NULLABLE |
varchar(3)
|
utf8_general_ci
|
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| DATA_TYPE |
varchar(64)
|
utf8_general_ci
|
|
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| CHARACTER_MAXIMUM_LENGTH |
bigint(21)
|
|
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| CHARACTER_OCTET_LENGTH |
bigint(21)
|
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| NUMERIC_PRECISION |
bigint(21)
|
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| NUMERIC_SCALE |
bigint(21)
|
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|
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| DATETIME_PRECISION |
bigint(21)
|
|
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| CHARACTER_SET_NAME |
varchar(32)
|
utf8_general_ci
|
|
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| COLLATION_NAME |
varchar(32)
|
utf8_general_ci
|
|
 浏览不相关的值
|
| COLUMN_TYPE |
longtext
|
utf8_general_ci
|
|
|
| COLUMN_KEY |
varchar(3)
|
utf8_general_ci
|
|
|
| EXTRA |
varchar(80)
|
utf8_general_ci
|
|
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| PRIVILEGES |
varchar(80)
|
utf8_general_ci
|
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| COLUMN_COMMENT |
varchar(1024)
|
utf8_general_ci
|
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| IS_GENERATED |
varchar(6)
|
utf8_general_ci
|
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| GENERATION_EXPRESSION |
longtext
|
utf8_general_ci
|
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