While the drop table operation is in progress, user B executes the following command on the same table: SQL> DELETE FROM trans WHERE tr_type='SL';
Which statement is true regarding the DELETE command?
A. It fails with a "Resource Busy" error.
B. It deletes the rows successfully because the table is locked in SHARE mode.
C. It fails to delete the records because the table is locked in EXCLUSIVE mode.
D. It deletes the rows successfully because the table is locked in SHARE ROW EXCLUSIVE mode.来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/17013648/viewspace-1239858/ ,如需转载,请注明出处,否则将追究法律责任。