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query problem

01-24-2005, 02:31 PM

Marco van Herwaarden Marco van Herwaarden is offline

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Quote:

mysql error: Column: 'lastpost' in field list is ambiguous

Means that the column 'lastpost' is found in to tables that are in the query. SQL don't know which instance of lastpost you mean.

You should use a syntax like:

[sql]SELECT a.ambiguousfield, b.ambiguousfield FROM tablea AS a, tableb AS b[/sql]

Using the "table AS xx" you can create a short name to refer to a table, then prefix the column with that shortname and a dot.

PS This is general info as i didn't even tried to read your query

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