慢慢来
发布时间:2016-01-05 10:27:54
Sybase 提供了对表进行hash join的命令 如下: select * from t1, t2 plan "(h_join (scan t1) (scan t2) )"ASE 15之后 sybase 默认开启 allrows_mix (之前是 allrows_oltp)区别如下:(copy from http://www.rocket99.com/techref/sybase8714.html)Optimization Goal .........【阅读全文】