1、查找所有数据库中包含’longitude’字段的表

-- 查找所有数据库中包含'longitude'字段的表
SELECT 
    TABLE_SCHEMA,
    TABLE_NAME,
    COLUMN_NAME
FROM information_schema.columns
WHERE COLUMN_NAME = 'longitude'
ORDER BY TABLE_SCHEMA, TABLE_NAME;

--- 查找所有数据库中包含'longitude'字段的表（排除视图）
SELECT 
    c.TABLE_SCHEMA AS '数据库',
    c.TABLE_NAME AS '表名',
    c.COLUMN_NAME AS '字段名'
FROM information_schema.columns c
JOIN information_schema.tables t 
    ON c.TABLE_SCHEMA = t.TABLE_SCHEMA 
    AND c.TABLE_NAME = t.TABLE_NAME
WHERE c.COLUMN_NAME = 'longitude'
    AND t.TABLE_TYPE = 'BASE TABLE'  -- 只查询基础表，排除视图
ORDER BY c.TABLE_SCHEMA, c.TABLE_NAME;

2、查找特定数据库agris_base中包含’longitude’字段的表

-- 查找特定数据库agris_base中包含'longitude'字段的表
SELECT TABLE_NAME
FROM information_schema.columns
WHERE TABLE_SCHEMA = 'agris_base'
AND COLUMN_NAME = 'longitude';