> SELECT * FROM table WHERE item_number=1; Sorry if my question was not clear: what I am looking for is:
SELECT * FROM table WHERE data_value=1 AND "there is not any reccord with the same item_number and data_value=2" Olivier > > On Wed, April 29, 2015 06:30, Olivier Nicole wrote: >> Hi, >> >> I am sure that it is feasible with MySQl, and I am sure that's a newbie >> question, but my SQL skills are limited... >> >> I have a table where each record is made of one item_number and one >> data_value. >> >> If one item has several values, there are several records with the same >> item_number and a different data_value. >> >> What is the command to select all the records where an item_number has >> the data 1 but not the data 2? >> >> Thanks in advance, >> >> Olivier > > -- > Mogens Melander > +66 8701 33224 > > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > believed to be clean. -- -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql
