所有目标股份的总代价不得超过2.4亿美元。交割完成后,目标公司Topocean Consolidation Service(LosAngeles), Inc将成为嘉里物流旗下的全资附属公司。 Topocean Consolidation Service(LosAngeles),Inc隶属于Topocean Group,是世界领先的货运代理和物流服务提供商之一。通过这次并购,嘉里物流成功在国际物流行业的竞争中给自己...
city:String});// 创建用户模型constUser=mongoose.model('User',userSchema);// 插入示例数据asyncfunctioninsertData(){awaitUser.insertMany([{name:'Alice',age:25,city:'New York'},{name:'Bob',age:30,city:'Los Angeles'},{name:'Charlie',age:25,city:'New York'},{name:'David',age:30,city...
db.myCollection.aggregate([{$group:{_id:"$city",total:{$sum:1}}}]) 1. 2. 3. 可视化数据 在分析数据时,数据的可视化是非常重要的。我们可以通过饼状图来展示不同城市的人口分布。以下是使用 Mermaid 语法构建饼状图的示例: 41%29%29%人口分布New YorkLos AngelesSan Francisco 流程图 为了更好地理...
{ "_id" : "CA", "city" : "LOS ANGELES", "population" : 104702 } 最后再对 _id 排序 db.zips.aggregate( [ { $group:{_id:{state:"$state",city:"$city"}, population:{$sum:"$pop"}} }, {$sort:{"_id.state":1, "population":-1}}, {$group:{_id:"$_id.state",city:{$f...
{state:'CA',city:'LOS ANGELES'},count:56},{_id:{state:'PA',city:'PHILADELPHIA'},count:48},{_id:{state:'IL',city:'CHICAGO'},count:47},{_id:{state:'TX',city:'SAN ANTONIO'},count:45},{_id:{state:'TX',city:'DALLAS'},count:44},{_id:{state:'MO',city:'KANSAS CITY'},...
它支持丰富的查询操作,包括匹配(match)、分组(group)和排序(sort)等。 匹配、分组和排序后获取完整文档 1. 匹配(Match) 匹配是指根据指定的条件筛选出符合条件的文档。在MongoDB中,可以使用$match操作符来实现。 2. 分组(Group) 分组是指将文档按照某个字段的值进行分组,并对每个分组进行聚合操作。在MongoDB...
The Rolling Stones Live at the Wiltern features the band's Nov. 4, 2002, complete set from Los Angeles' Wiltern Theatre. More info here:Setlist The release includes a 20-song set that features many classic songs. Starting with "Jumpin' Jack Flash," the performance includes "Beast of Burde...
1.4 模糊查询数组元素 db.posts.find({tags:{$regex:"run"}}) 二、判断字段是否存在 {pretty_content_type:{"$exists":true}} 三、数组size判断 {topics:{$size:2}}{topics:{$size:2}} 四、建索引 文档内容 {"address":{"city":"Los Angeles","state":"California","pincode":"123"},"tags":...
meters,location=California.LosAngeles,groupid=2 current=13.4,voltage=223,phase=0.29 1648432611249500 note tag_set 中的所有的数据自动转化为 nchar 数据类型; field_set 中的每个数据项都需要对自身的数据类型进行描述, 比如 1.2f32 代表 float 类型的数值 1.2, 如果不带类型后缀会被当作 double 处理; ...
Compared to db/db mice in the control group, DHI substantially reduced body weight gain after about one month treatment (Fig. 5A). The decreased body weight gain can contribute to the improve- ment of diabetic phenotypes. Mice in the control db/db group received the same volume saline ...