How to optimize SQL Data Query

SQL data query optimization select & nbsp;. id, rkno,. packageno & nbsp; as & nbsp; packageno, cust_no, lotno, count (*) & nbsp; as & nbsp; count & nbsp; from & nbsp; 'rk _ record '& nbsp; as & nbsp SQL data query optimization
Select. id, rkno,. packageno as packageno, cust_no, lotno, count (*) as count from 'rk _ record 'as a right join 'sys _ barcode_1d_y' as B on. packageno = B. packageno where rkno = '000000' group by packageno, lotno order by packageno, lotno asc

Rkno and packageno contain indexes.

The current query requires more than 4000 ms. Is there any way to optimize this SQL statement? Share: More