查询表格 [科技] Enquiry Form
网上查询表格 Online Query Form
表格式查询 tabular query
在线查询表格 Online Query Form
数据库表格登录/查询 database table entry/look-up
因为这两个视图都是在下面的表格上使用单独的SQL选择语句进行定义,所以不会影响查询性能。
Because both of these views are defined with a single SQL select statement on the underlying table, the query performance will not suffer.
通过这种方式,BIRT中的数据集就像Rational Team Concert返回至查询的信息一样:一个作为储存库中信息子集的数据的表格。
In this way, a data set in BIRT is just like the information that Rational Team Concert returns from a query: a table of data that is a subset of the information in the repository.
如果语句涉及到更大的表格和两个或者更多个表的连接的话,查询访问计划就很可能会因为基数估计值的提高而改变。
Statements involving larger tables and joins of two or more tables are more likely to exhibit a change in query access plan as a result of the improved cardinality estimate.
应用推荐