以下是我的SQL语句，表上的数据量有40多万。
SELECT SUM (T032_FORM_SU) FROM T029_FORWARD_SIJI T029 INNER JOIN T032_FORWARD_SIJIM ON SELECT SUM (T032_FOR
SELECT SUM (T032_FORM_SU) FROM T029_FORWARD_SIJI T029 INNER JOIN T032_FORWARD_SIJIM ON SELECT SUM (T032_FOR
阅读背景：
通过jdbc执行sql比在plsql中慢好多
来源：互联网
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