> I'm still quite new at this but it should be a simple operation: How do I
> drop a column form a Postgres table. The next best thing would be knowing
> how to change a column so that it can accept null values.
Adding columns is directly supported. Removing columns, or redefining
them, is done with a CREATE TABLE AS/DROP TABLE/CREATE TABLE AS/DROP
TABLE sequence, where you write the columns you want to retain into a
temporary table, delete the original table, and then do the same back
into a new table with the same name as the original.
Good luck.
- Thomas
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Thomas Lockhart lockhart(at)alumni(dot)caltech(dot)edu
South Pasadena, California