key_len The length of the chosen key (索引字段的长度) ref The columns compared to the index(列与索引的比较) rows Estimate of rows to be examined (预估扫描行数) filtered Percentage of rows filtered by tablecondition (按表条件过滤的行百分比) extra Additional information (额外信息,如是否使用索...
row The matching partitions The join type The possible indexes to choose The index actually chosen The length of the chosen key The columns compared to the index Estimate(估算) of rows to be examined(检查) Percentage(百分⽐) of rows filtered(过滤) by table condition Additional information ...
Elaborate means to provide additional information about something, talk further about something, etc. ...
Add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing; She elaborated on the main ideas in her dissertation Explain To make plain, manifest, or intelligible; to clear of obscurity; to expound; to unfold and illustrate the meaning...
ref The columns compared to the index rows Estimateofrows to be examined filtered Percentageofrows filtered by table condition Extra Additional information 2、各列上的具体描述 代码语言:javascript 复制 id: 包含一组数字,表示查询中执行select子句或操作表的顺序id相同,执行顺序由上至下,否则id值越大(通常...
Answer to: Explain the meaning of the "terminate at will" rule that has guided the employee/employer relationship in the United States. By signing...
of the SELECT within the query. The value can be NULL if the row refers to the union result of other rows. In this case, the table column shows a value like <unionM,N> to indicate that the row refers to the union of the rows with id values of M and N. 翻译:id为SELECT的标识...
Briefly explain the reasons of application of halls. Explain why you are suitable to HKU’s hall life. Specify additional information if any related to home living environment and/or travelling not covered or mentioned in Section C and D above: Since my family size is a bit big‚ we need...
The meaning of the word and then explain why, sir 翻译结果2复制译文编辑译文朗读译文返回顶部 翻译结果3复制译文编辑译文朗读译文返回顶部 Please could you explain the meaning of the word 翻译结果4复制译文编辑译文朗读译文返回顶部 You have to put that word meaning to explain how do you do 翻译结果...
to permit registration of notices relating to potential security rights in attachments to immovable property (see the Guide, chap. III, para. 104); and (c) additional information may be provided in the form of an attachment to a notice to identify the assetsin more detailorif additional ...