4同行回答
连接Ａ：
db2 -c "select * from a with rr"
连接Ｂ:
db2 -c "select * from b with rr"
连接A：
db2 -c "select * from b for update with rr"
连接B：
db2 -c "select * from a for update with rr"收起
db2 -c "select * from a with rr"
连接Ｂ:
db2 -c "select * from b with rr"
连接A：
db2 -c "select * from b for update with rr"
连接B：
db2 -c "select * from a for update with rr"收起
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