查询处理器

• However , there is an intrinsic cost associated with any query processor
  但是，任何查询处理器都会造成一定程度的内部开销。
• The query processor then requests the appropriate locks from the lock manager
  然后，查询处理器将向锁管理器请求适当的锁。
• Some advantages of using cursors in conjunction with the query processor are
  结合使用游标和查询处理器具有的一些优势在于：
• By default , the degree of parallelism is automatically determined by the query processor
  默认情况下，并行度由查询处理器自动确定。
• The query processor then executes the sql commands and returns the results of the query
  然后，查询处理器执行sql命令并返回查询结果。
• For large and complex queries , the job is still best left to the query processor
  对于复杂的大型查询，这种工作最好还是留给查询处理器去做。
• The sql server mobile query processor always rewrites the in subquery to use join
  Sql server mobile查询处理器始终会重写in子查询以使用join 。
• During query optimization , the query processor produces an execution plan for the query
  在查询优化过程中，查询处理器会为查询生成一个执行计划。
• The sql server 2005 query processor treats indexed and nonindexed views differently
  Sql server 2005查询处理器对索引视图和非索引视图将区别对待：
• The query processor uses this information to help determine the optimal strategy for evaluating a query
  查询处理器使用这些信息来帮助确定用于评估查询的最佳策略。