select item from table1 
  WHERE NOT EXISTS ( SELECT * FROM table2 WHERE table2.item = table1.item )
-- Or
select item from table1 
  WHERE item NOT IN ( SELECT item FROM table2 )

>I'm stuck hopefully someone can help me
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>I have two tables lets say 1 and 2. Table 1 has a,b,c,d. Table 2 has a and b. I want to get all the items from tables 1 that are NOT listed in table 2.
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>select table.item from table1 left join table2 on item = item where table1.item <> table2.item order by p.plinid
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>Not getting the results I need. If anyone can help with this, please help! Thanks!