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Delete duplicate records
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27/11/2006 07:43:10
 
 
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Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Titre:
Delete duplicate records
Divers
Thread ID:
01172620
Message ID:
01172620
Vues:
76
Dear Experts,

Table1 has three fields as

date---------d(8)
voucher-----n(4)
type---------c(2)

data in table is as follows

25/11/06----1----SL
25/11/06----1----SL
25/11/06----2----SL
25/11/06----2----SL
25/11/06----2----SL
25/11/06----1----SD
25/11/06----1----SD
25/11/06----1----SD

I want to delete more than two records according to following index file

select table1
index on dtoc(date)+str(voucher)+allltrim(type) to xyz

after processing the data in table should look like this

25/11/06----1----SL
25/11/06----1----SL
25/11/06----2----SL
25/11/06----2----SL
25/11/06----1----SD
25/11/06----1----SD

The number of same records is two.

Please help
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