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Duplicate column names in SQL query

开发者 https://www.devze.com 2023-03-11 22:29 出处:网络
How do I avoid a dup column name error in MySQL when creating a VIEW on two tables that both have the same column name as shown here

How do I avoid a dup column name error in MySQL when creating a VIEW on two tables that both have the same column name as shown here

CREATE VIEW db.VI_RegionCity AS SELECT
    Region.Name,
    City.Name
FROM
    db.Region Region,
    db.City City
WHERE
    Region.RegionCode = City.RegionCode



ERROR: Duplicate 开发者_高级运维column name 'Name'


Using alias for column name

CREATE VIEW db.VI_RegionCity AS SELECT
    Region.Name as Region_name,
    City.Name as City_name
...//rest of the query


CREATE VIEW db.VI_RegionCity AS SELECT
    Region.Name AS RegionName,
    City.Name AS CityName
FROM
    db.Region Region,
    db.City City
WHERE
    Region.RegionCode = City.RegionCode
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