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How to use laravel multi-table query?

USER table, field id, nameACCOUNT table, field, id, name, account ORDER table, field, id, uid, aid, content There are 3 tables. How to use related query in laravel to query the order in the order table through the user id in the user table Detailed information, and then query acc through the aid in ...

phpcn_u1582 2017-05-16 16:47:53 0  1  610

SQL statement, how can we query the first word of this field in the data table through a Chinese character?

SQL statement, how can we query the first word of this field in the data table through a Chinese character?

rain 2020-02-16 10:45:14 0  1  1248

thinkphp3 joint table query

Take out several pieces of data from a table that satisfy the status value = 2, and then use the IDs of the pieces of data to check other tables. How should I do it with thinkphp? I’m not very good at joining tables to query select * from re_deposit where deposit_status = 2 select * from re_client I...

迷茫 2017-06-07 09:23:28 0  1  1183

TP5 multi-table query return type?

Can tp5 multi-table query return objects? How to write it?

…… 2017-08-06 17:54:09 0  3  1358

Please tell me how to operate the related table query?

The teacher taught single table query or simple query in class, but related query was not mentioned. How should I do it?

東東 2021-04-28 09:01:36 0  2  1113

When getting data from multiple tables, how to query based on entries in the table in SQL grouping

I have two tables click 2.ride click table id | time ride table id | timestamp I want to get data from both tables GROUPBYEXTRACT(DAYFROMride.timestamp) but only if I have same day in both tables I only get the data when an entry is made, but I need the data regardless of whether the two tables have...

P粉038856725 2024-04-04 08:58:17 0  1  632

MySQL Pivot Table Query: Using Dynamic Columns for Data Analysis

I'm using the following table to store product data: mysql>SELECT*FROMproduct;+---------------+---------------+- -------+|id|name|description|stock|+---------------+---------------+ --------+|1|product1|firstproduct|5||2|product2|se

P粉101708623 2023-08-22 11:54:19 0  2  755

How to sort query results according to fields of another table through chain operations in TP5

Specific situation: one user table and the other is a user level table. I query (select) the information of the user table and want to sort it according to the power field of the user level table. What I wrote myself is to query the records one by one through a for loop and then write them to In a t...

葫蘆娃平衡盤 2018-04-19 16:50:01 0  2  1534

SQL Select from main table - detail table (formatted data)

I have two tables named "Suppliers" and "Contacts". The data in the Contact table corresponds to a record in the Supplier table. Vendor Data id Name 1 HP 2 Huawei Contact Data id Vendor ID Contact 11 John 21 Smith 31 Will 42 US DOE 52 Wick Now, I want to make a query that should ...

P粉904191507 2024-03-27 22:03:16 0  1  554

Query the data of a specified date in a specified table in mysql database? There are details

{Code...} The above is the existing query statement, which can find all the tables in the entire database and how much data is in the table. Now I want to break it down: For example, there are 1,000 tables in the test database, and I only want to check 200 of them (specified) that contain the specif...

PHP中文網(wǎng) 2017-05-18 10:49:37 0  2  1157

Multi-table joint query problem

select pid,count(*) from table1 group by pid; Find out the total number of occurrences of each pid. The problem arises. The name corresponding to the pid is placed in another table. Now it is necessary to directly display each pid through a joint query. The total number of times name appears

nearest 2017-10-24 21:26:41 0  1  1434

php - Yii relational table with optimized query to avoid N+1 query questions

For example: the details page of a post hasMany is associated with the comment table. The comment table hasOne is associated with the user table. The user table hasOne is associated with the user data table. Then for the comment list, the user table can be queried through the with('author') associat...

阿神 2017-06-10 09:47:45 0  2  1372

No data is displayed in the data table

Why is the data added in phpmyadmin not displayed in the data table?

吥離吥棄 2018-02-27 10:12:47 0  2  1215

How to search and filter data in a table using PHP?

I want to search and filter data in a table but I don't know how to do it as I'm currently learning php. This is my php script for searching the data <?phprequire('./conn.php');if(isset($_POST['search'])){$valueToSearch=$_POST['query'];// searchinalltablecolumns//usingconcatmysql<function>&...

P粉287726308 2023-12-29 14:08:25 0  1  647

php - Mysql's left join query, when a field in the right table is empty, why can't the corresponding field in the left table be found?

{Code...} This is a query statement. The left table category is the classification table, and the right table jobs is the position table. I want to count the number of positions under each category. But there is a problem with the result. If a certain category does not exist in the category field of...

高洛峰 2017-06-05 11:08:00 0  2  529

Hello, export your data table there

Hello, export your data table there

享受人生 2017-07-12 10:43:37 0  2  1223

Use UNION in SQL to pivot data on two query results

I'm trying to get a pivot table of two query results from a MySql database Here is my SQL query: SELECT*FROM(SELECT'NotSpot'asNotSpot,SUM(builds.Duration)asDuration,DATE_FORMAT(builds.date,"%Y- %c-%d")asdateFROMbuildsJOINlabelsONbuilds.Labels_label_i

P粉642436282 2024-04-03 19:32:52 0  2  655

Demonstrating SQL Virtual/Temporary Table Approach: Extracting Data from an Associative Array

I need a simple SQL query to display a virtual/temporary table without creating it in the database. I'm using PHP to create a query string with data. My current PHP code is: $array=[['id'=>1,'name'=>'one'],['id'=>2,'name'=>'two'],['id '=>3,'name'=>'three']];$subQuery="SELECT{$...

P粉066224086 2023-09-03 16:26:28 0  1  681

PHP+mysql member and consumption record table big data connection query, how to solve it, urgently looking for a solution

1. Membership table: There are fields such as membership card number, name, phone number, gender, points, etc. (tens of millions of data) 2. Consumption record table: associated field membership card number (tens of millions of data, divided into tables, divided according to consumption time) The f...

古月 2019-06-02 18:54:51 2  0  1358

Use vue-router to hyperlink table data in API

I'm getting and displaying data from an API (https://restcountries.com/), but I'm unable to hyperlink each table entry to its own page using the router-link tag. Nothing happens, no errors, no link text. <template><div><b-tableresponsivehead-variant="dark"stripedhover:items=...

P粉951914381 2024-03-30 14:06:41 0  1  708