sequential scan system [计] 顺序扫描系统
Sequential and Volume Scan 逐层扫描与容积扫描
sequential JPEG scan 连续JPEG扫描
Update bill_items (58 seconds); sequential scan of bill_items with a nested loop read of customer.
更新bill_items(58秒)；利用对customer的嵌套循环读取，来顺序扫描bill_items。
It looks like we are doing a sequential scan (of an entire table) to satisfy the SQL command, whatever it is.
好像我们正在进行顺序扫描(对整个表)来满足SQL命令的需求，不管它是什么。
Access plan directives that force the optimizer to use the designated access method for data retrieval, either sequential scan or index scan.
访问计划指示，强制优化器使用指定的访问方法进行数据检索，要么是连续扫描，要么是索引扫描。
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