Multi-condition fuzzy query, how to do it

Multi-condition fuzzy query, how to do it

往事随风 2020-08-18 12:42:16 0  1  967

C# MongoDB 多条件动态组合查询

如题：C# MongoDB 多条件动态组合查询

淡淡烟草味 2017-04-28 09:06:09 0  1  789

How to query with multiple conditions in PHP search box? ?

I am new to PHP. When writing the content of the search box, I found that I cannot query multiple conditions at the same time. Could anyone please give me some ideas on how to write it? Thank you very much. The following is the PHP content written: <?php

逆向行走 2019-06-20 16:48:02 0  3  1897

Does Mongodb obtain the entire document after conditional query?

For example, there is a set of data: {code...} What is queried is the entire data.fruite; Q1: Is there any way to get only the piece of data queried by the filter? What if the document object size is relatively large? Q2: Is this a feature of Mongodb? After matching the filter condition, is the enti...

仅有的幸福 2017-05-02 09:24:53 0  2  694

Novice advice: how to write php multi-condition query search MYsql

According to such query conditions, how to search for the user name and password in the database?

苏小刚 2018-08-13 16:23:57 0  7  1421

Is there a way to dynamically obtain query conditions in TP5 and not add this condition if the value is empty?

As shown in the figure below, there are three query conditions, the first two are time intervals, and the last one is a fuzzy query based on name. If the content written at the beginning is empty, then the data with the field value being null will be returned according to the where condition. So I a...

3维 2019-10-05 13:58:01 0  0  1283

mongodb数组查询 - mongodb 内嵌数组查询问题： 如何限定返回与条件匹配的数组

原数据为： {代码...} 查询条件为 {代码...} 想返回的数据： {代码...}

伊谢尔伦 2017-04-27 09:02:20 0  6  722

mongodb的java开发中使用两个字段相等查询条件应该怎么写？

也就是类似sql中的where 字段A=字段B这样的条件，我查了下网上有些帖子中写的用$where的方式我查询的时候会出错，类似于：new Document("$where",new Document("字段A", "字段B"))，请教应该怎么写才对？

黄舟 2017-04-28 09:06:01 0  1  617

node.js - How mongoose filters and paging based on related tables

Problem background: In the following two schema {code...} columns, active needs to be configured and modified, and the news table has a large number of insertion needs. Problem description: How to perform paging query on news, and the query condition is column.active is true? How to count query cond...

PHPz 2017-05-24 11:35:40 0  1  1829

nosql - mongodb 多组数据不固定字段查询问题 [百度党请绕道]

有如下查询条件 {代码...} 请问mongodb能不能一次查询上述条件数据

高洛峰 2017-05-02 09:20:23 0  1  519

Embedding query operations in MySQL IF statements

Is there a way to run insert query in IF statement, I know the syntax of if statement is IF (condition, statement to be executed if condition is true, statement to be executed if condition is false) My question is if it is possible to run insert statement based on condition, For example IF((select c...

P粉155832941 2024-02-17 16:44:15 0  1  497

mongoDB的update查询条件?

小白提问. {代码...} 以上插入十遍. {代码...} 这条案例来说应该十条记录全部匹配上,但是为什么仅仅匹配了第一条呢?

我想大声告诉你 2017-04-28 09:06:34 0  3  750

php - Is there any performance problem if the sql statement is written like this? ? How to improve? ?

Multi-table joint query + subquery + conditional query + sorting {code...} Related data tables: csp_car_brand, vehicle brand table: csp_car_type, vehicle type table: csp_car_source, vehicle source table: csp_car_model, vehicle model table (specific to the brand model): ...

高洛峰 2017-05-24 11:30:34 0  1  615

Why is there no response when clicking login?

if($result === true){ //Query condition                                                                                                                                

涵 2019-10-17 19:36:38 0  2  1577

How does Thinkphp query the database in batches?

1. I have such a requirement: there are 4 kinds of inventory in the warehouse receipt. I want to query whether there is such inventory in the existing table. If there is, increase the quantity. If not, create new data. The where condition is an array. How should I query? 2. where condition {code...}...

天蓬老师 2017-05-27 17:42:03 0  4  669

How to solve "subquery returns more than 1 row" error

I have a query that returns multiple rows, and another query where I want to set the condition to be any one of these multiple row values, so basically I want the subquery to look like this: select*fromtablewhereid=(multiple row query) ;The multi-row query returns multiple rows. So if the values ​​o...

P粉235202573 2023-08-21 17:36:57 0  2  533

Spring + MongoDB 利用MongoTemplate查询的问题

db中有符合该条件的数据。 {代码...} find()方法： {代码...} findOne()方法： {代码...} 问： 为什么同样的条件，这两个查询的结果却不同？（我遇到的问题是findOne查询结果为空）。 附： 官方文档对findOne和fi...

伊谢尔伦 2017-04-24 09:13:09 0  0  593

search query

Teacher Zhu, I have read all your 2020 PHP tutorials. Are there any courses on search queries and conditional queries?

无所谓 2023-02-02 20:50:39 0  2  701

php - TP5 where method problem

I discovered a very strange problem in TP5. In TP3.2, you can use multi-dimensional arrays in a where to set multiple query conditions (sub-conditions) such as: {code...} The SQL generated by this code is WHERE ( id = '1' AND username = '2' ) OR ( username = '3' AND p...

大家讲道理 2017-05-16 12:02:19 0  1  622

tp6, assign value to variable, query database with multiple conditions

$where = "BETWEEN January 1st AND February 1st"; as in the question, how can I use tp6's where() query after assigning a value to a variable?

sadada 2020-03-17 19:18:03 0  1  1381