A.使用set statistics io語句 B.使用set statistics time語句 C.使用set statistics CPU語句 D.使用set statistics time and CPU語句
A.delete from sales B.delete profits from sales where product_type=’TOYS’ C.delete from sales where product_type=’ToYS’ D.update sales set profits=null where product_type=’TOYS’
A.sybsystemprocs B.model C.master D.sybsystemdb