人大金仓数据库，导出数据表的结构

SELECT
 a."COLUMN_NAME" 字段名称,
 a."COMMENTS" 中文名称描述,
 c."DATA_TYPE" 数据类型,
 IF(
  c."IS_NULLABLE" = 'YES',
  '是',
  '否'
 ) AS 是否必填
FROM
 INFORMATION_SCHEMA.COLUMNS c
RIGHT JOIN
  all_col_comments a ON
 c."table_name" = a."table_name"
 AND c."COLUMN_NAME" = a."COLUMN_NAME"
WHERE
 "table_schema" = '模式名'
 AND a."table_name" = '表名'

数据库结构字段介绍