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Question:After a table is defined, can columns be removed?



asked Sep 13, 2013 in Java Interview Questions by rajesh
edited Sep 12, 2013
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The only way to remove columns from an existing table involves a migration program that extracts only the desired

columns of data, redefining the table without the unwanted columns, then populating the new table. One have to handle

all the old table’s dependents programmatically.

answered Sep 13, 2013 by rajesh
edited Sep 12, 2013
0 votes

 

The only way to remove columns from an existing table involves a migration program that extracts only the desired

columns of data, redefining the table without the unwanted columns, then populating the new table. One have to handle

all the old table’s dependents programmatically.

answered Sep 13, 2013 by rajesh
edited Sep 12, 2013

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