Topic: Oracle Certified Professional Exams (OCP & OCA) >> problem in dropping columns!
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| Title: problem in dropping columns! |
| Jayanta |
Posted: Nov 24, 2006 07:31:24 AM |
Total Post: 479
Joined: Feb, 2006
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Hello everybody!
alter table table_name
drop column column_name;
This syntax helps to drop one column at a time from a table, but the following sysntax allowing to delete multiple columns at a time:
alter table table_name
drop (col1,col2,...);
but oracle study mat claiming that"Using ALTER TABLE satement ,only one column can be dropped at a time"
plz help! |
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 vikas |
| Posted: Nov 27, 2006 04:34:20 AM |  |
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Total Post: 10
Joined: Oct, 2006
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alter table table_name
drop (col1,col2,...);
hello dear ,
This is an exception of oracle. The rule is that you can delete only one column at a time but by using this syntax you can delete one or more column at a time. So do'nt Confused with this.There r sop many exception in the Oracle which u find in next topic as u read . o.k.
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| Jayanta |
| Posted: Nov 28, 2006 01:05:22 PM | |
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Total Post: 479
Joined: Feb, 2006
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| Time Zone: EDT |
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