问题:
You work as a database administrator for Certkiller .com. As a result of performance analysis, you created an index on theprod_namecolumn of the
Certkiller prodtable, which contains about ten thousand rows. Later, you updated a product name in the table.
How does this change affect the index?()
A . A leaf will be marked as invalid.
B . An update in a leaf row takes place.
C . The index will be updated automatically at commit.
D . A leaf row in the index will be deleted and inserted.
E . The index becomes invalid when you make any update
You work as a database administrator for Certkiller .com. As a result of performance analysis, you created an index on theprod_namecolumn of the
Certkiller prodtable, which contains about ten thousand rows. Later, you updated a product name in the table.
How does this change affect the index?()
● 参考解析
本题暂无解析
相关内容
相关标签