Question

i have a huge access table containing about 400000 rows . what sql query can i give to delete every alternate row in the table. ?

I do have a column in the table which has values from 1 , 2, 3 ,4 …. about 400000 .

Answer 1

Try using Mod. Something like

DELETE Table1.*
FROM Table1
WHERE ((([ID] Mod 2)=0));