Use this where standard SQL would be used and where you can easily combine it with other conditions in an SQL WHERE clause.
可以将它用在能够使用标准SQL 的地方,而且可以将它与 SQLWHERE 中的其他条件轻松地组合在一起。
In the meantime, you also should try to add extra predicates into your WHERE clause to match other WHERE clauses.
与此同时,还可以尝试向WHERE子句中添加额外的谓语来匹配其他WHERE子句。
For comparison, Figure 3 illustrates the access plan where I forced the DB2 optimizer to ignore the index by adding the clause SELECTIVITY 1 to the predicate in the where clause.
为了便于比较,图3显示了通过将SELECTIVITY1子句添加到where子句的谓词中,强迫db2优化器忽略索引的访问计划。
You may be disappointed because this kind of query easily could have been done with a simple WHERE clause, i.e., WHERE BOSS = 101.
您可能会感到失望,因为这类查询只需使用简单WHERE 子句(如 WHERE BOSS = 101)即可实现。
Then, the where clause essentially joins CDs with their artists with this line: where $cd/artist/$id = $artist/$id.
其次,where 子句使用 where $cd/artist/$id = $artist/$id连接了CD和艺术家。
From the WHERE clause in HQL you can usually guess the corresponding SQL WHERE clause.
从HQL的WHERE子句中通常可以猜到相应的SQL WHERE子句。
One more important type of where clause usage is where you' essentially perform a join.
另一种重要的where应用类型是执行连接。
In reading such a complex sentence, clause or clause must first find out where to start, where the first end, understand the main point, finally the clause content clause together.
在阅读这样的复杂句的时候,首先要找出主句或从句从哪儿开始,到哪儿结束,首先理解主句的意思,最后再把从句的内容与主句综合起来。
In reading such a complex sentence, clause or clause must first find out where to start, where the first end, understand the main point, finally the clause content clause together.
在阅读这样的复杂句的时候,首先要找出主句或从句从哪儿开始,到哪儿结束,首先理解主句的意思,最后再把从句的内容与主句综合起来。
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