| From: | "Josh Berkus" <josh(at)agliodbs(dot)com> |
|---|---|
| To: | "ivan" <IVANCCC(at)terra(dot)es>, pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: update from another table |
| Date: | 2001-06-12 20:03:21 |
| Message-ID: | web-70963@davinci.ethosmedia.com |
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| Lists: | pgsql-sql |
Ivan,
> i would like to know how can i update a table with columns from
> another
> table and adding a new column with a secuence,
You cannot update a table and add a new column at with one statement.
Updating a table is Data Manipulation Language (DML) and adding a column
is Data Definition Language (DDL) and the two may not be combined.
For the update statement:
> update table
> set column = (select column from table2), ......, set
> column=secuence..
>
> is it right?????
Nope. Try
UPDATE table1 SET columnC = table2.columnB
FROM table2
WHERE table2.columnA = table1.columnA
-Josh Berkus
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