Re: Altering tables

2001-07-10 Thread Werner Stuerenburg
> alter table hr-data set column Reason4leaving1 char(100) I thought I knew - but I wanted to play safe. So I went to http://mysql.com and entered alter table to the search box. >From the results list I chose ALTER TABLE Syntax: http://www.mysql.com/doc/A/L/ALTER_TABLE.html Here I found what I

Re: Altering tables

2001-03-22 Thread roger westin
Hi, I dont know whats wrong with my mysql but when I add a column with auto_inc (I just copied and paseted what you did) I got: Primary key cannot be NULL, so, but I got it working So thanks anyway. And as I always say... If something works, dont touch int. So I wont reinstall. /roger > my

Re: Altering tables

2001-03-21 Thread Don Read
On 21-Mar-01 roger westin wrote: > Hi I solved it my self. > If anyone whats to know the awnser to this it was NOT as easy as the manual > would have described. > The only thing I got to work was: > 1. Drop the index > 2. create new field (whitout index and auto_inc) if any of them where added >

RE: Altering tables

2001-03-21 Thread Don Read
On 21-Mar-01 roger westin wrote: > Hi there, > Question: > Whats the Easiest way to insert an AUTO_INCREMENT column into an existing > table, > the new field will take over the primary key and the index. > > alter table da_table drop primary key, drop old_id; alter table da_table add id int

Re: Altering tables

2001-03-21 Thread roger westin
Hi I solved it my self. If anyone whats to know the awnser to this it was NOT as easy as the manual would have described. The only thing I got to work was: 1. Drop the index 2. create new field (whitout index and auto_inc) if any of them where added I got an error and nothing worked. 3. make the n