add a new column into a database
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i'm using a matlab tutorial database i have tried to add new column to salesvolume table by using this code
a=exec(conn,'ALTER TABLE salesVolume ADD Nkey number(30)') but the new column hasn't been added in the original table , so i can't add variables to this column
回答（1 个）
Titus Edelhofer
2012-2-7
0 个投票
Hi,
if you take a look at a.Message, do you see an error message from the database server?
Titus
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