【判断题】
A、ALTER DISKGROUP dg1 UNDROP disk2, disk3, disk5; B、ALTER DISKGROUP dg1 UNDROP; C、ALTER DISKGROUP dg1 UNDROP DISKS; D、You cannot cancel the pending disk drops.
A、DG 1dg1=delegate {return 0.3;}; B、DG 1dg2=delegate {return a;}; C、DG 1dg3=delegate (int a,ref double b) {return a;}; D、DG 1dg4=delegate (int a,ref double b) {return a/b;};
A、A. ALTER DISKGROUP dg1 UNDROP disk2,disk3,disk5 B、B. ALTER DISKGROUP dg1 UNDROP C、C. ALTER DISKGROUP dg1 UNDROP DISKS D、D. You cannot cancel the pending disk drops