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3 lip 2015 · Because each table contains a UserID column, you need to specify from which you want the UserID to come by including the table alias in the SELECT statement: v SELECT T.UserID FROM dbo.VacBal as I join dbo.User as T on I.userid = T.userid WHERE VacationBalance > 200 and active = 1
8 sie 2014 · You need to use fully qualified name when joining tables and the column exist in more than one table. Try: SELECT [dbauditor_repo_events].[db_id] You also need to include the column db_name in the GROUP BY clause as this column is not being aggregated. GROUP BY [dbauditor_repo_events].[db_id], [db_name]
5 paź 2020 · How to Solve the “Ambiguous Name Column” Error in SQL. For instance, you want to join two tables named TABLE1 and TABLE2. TABLE1 contains these columns — EmployeeID, Name, Salary. TABLE2 has these columns — EmployeeID, Name, Age. First, let’s create the tables.
18 paź 2023 · The "Error: ambiguous column name: Name" in SQL happens when the same column name is found in multiple tables or parts of a query, making it unclear which one to use. This error is common in various situations, such as joining tables, using subqueries, and creating views.
The "Ambiguous Name Column" error in SQL occurs when joining tables that contain columns with the same name, leading to confusion for the SQL engine as to which column is being referenced. The article suggests using aliases for the tables as a straightforward solution to this problem.
30 wrz 2024 · To fix this issue, we need to qualify the column names with the table names or table aliases. Here’s an example of fixing the first query: SELECT ar.ArtistName, al.AlbumName FROM Artists ar JOIN Albums al ON ar.ArtistId = al.ArtistId;
24 paź 2016 · I have a Common Table Expression which joins two tables with some column names in common: id serial PRIMARY KEY, data VARCHAR, date DATE. id serial PRIMARY KEY, key INT REFERENCES first(id), data VARCHAR, date DATE. (SELECT * FROM first JOIN second ON first.id=second.key)
