how to remove dublicates from your mysql table

nice mysql syntax for removing dublicates from your tables

strategy as follows

clone your table with
create table a as select * from b

truncate your table
truncate b

create unique index
create unique index u_indx1 on b (x,y,z)

insert all rows back to table with ignore
insert ignore into b select * from a

Comments

yumu said…
üstad tabloyu uçurdun ya. real life practice i olmamış pek.
January 4, 2012 at 9:31 AM
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