元组比较操作(a1,a2)≥(b1,b2)的意义是_____。
A、(a1>b1) OR ((a1=b1) AND (a2≥b2))
B、(a1≥b1) OR ((a1=b1) AND (a2≥b2))
C、(a1>b1) OR ((a1=b1) AND (a2>b2))
D、(a1≥b1) OR ((a1=b1) AND (a2>b2)
发布时间:2025-05-22 13:14:04
A、(a1>b1) OR ((a1=b1) AND (a2≥b2))
B、(a1≥b1) OR ((a1=b1) AND (a2≥b2))
C、(a1>b1) OR ((a1=b1) AND (a2>b2))
D、(a1≥b1) OR ((a1=b1) AND (a2>b2)