I'm pretty sure I didn't figure that one out.  That's been in my notes since 
6.5 days I think!!!  And I can't count the number of times I've had to look it 
up because I needed this command.

Karen

 

 

-----Original Message-----
From: Albert Berry <[email protected]>
To: rbase-l <[email protected]>
Sent: Tue, Sep 27, 2016 10:31 am
Subject: Re: [RBASE-L] - How to drop a foreign key in a table using SQL


    
Karen, that's brilliant! I'm saving that one. 
    
    
Albert
    
    
PS - email me - my address book when bye bye with Win 10      Anniversary when 
I had to reset my laptop to get it running again.      
    
    
A
    
    
    
On 2016-09-27 8:33 AM, karentellef via      RBASE-L wrote:
    
    
        
          
            This is tricky, I always have to look it up in my                
notes:
                
                SET VAR vTableID = sys_table_id from sys_tables where           
     sys_table_name = ' ...... '
                SET VAR vIndexName = sys_index_name from sys_indexes            
    where sys_table_id = .vTableID and sys_column_name = '                .... '
                ALTER TABLE <tablename> DROP CONSTRAINT                
&vIndexName
                
                Karen
                
                            
                
                                      
 
                    
                    
 
                    
                    
 
                    
                    
-----Original                      Message-----
                      From: Tony IJntema <[email protected]>
                      To: rbase-l <[email protected]>
                      Sent: Tue, Sep 27, 2016 9:15 am
                      Subject: [RBASE-L] - How to drop a foreign key in         
             a table using SQL
                      
                      Hi,
                      
                      I like to remove a column from a table, which also        
              happens to be a foreign key.
                      So I have ro remove the Foreign key first and then        
              drop the column.
                      
                      The proper commands are:
                      
                      alter table <table> drop constraint                      
<conname>
                      alter table <table> drop column                      
<colum>
                      
                      My problem is that I don't know the                      
<conname>.
                      Does anybody knows how to find this conname?
                      
                      
                      Tony
                      
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