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Create backups of MySQL databases and servers

I understand MySQL database backup, but how to backup the entire MySql configuration and database? I'm building a few sets of services/tools and I need to provide instructions so that less technical people can restore them in my absence. One of the things I need to back up is self-hosted MySql. Can ...

P粉506963842 2024-03-20 11:11:09

Backup of PostgreSQL database design - no data

I'm trying to find a way to backup my database design without including the data stored in the database. Actually, one might say I want a file containing all "CREATEScripts" in the database. Ideally, this file can be used to recreate the database (without the data of course). How to avoid ...

P粉098417223 2023-08-24 14:29:36

If PHP uses multi-dimensional arrays, will the efficiency be very low?

When using PHP to do projects, you need to use a data structure to store data, but in PHP, it seems that it can only be stored using arrays. The configuration files of PHP's Laravel and other frameworks all use multi-dimensional arrays, such as: {code...} I think the efficiency of multi-dimensional ...

PHP中文网 2017-06-15 09:22:11

MYSQL query to copy all data in a column from one database to another

I accidentally used the "Generate Description" feature on the Opencart SEO tool and it overwrote all of my product descriptions with the product title. I have over 600 products and it would be a pain to remake them all. I have a MYSQL backup from 2 months ago that contains most of the prod...

P粉005417748 2024-04-01 00:00:37

php - What to do about duplicate naming of routes in restful form?

For example, this route GET /users/{id}/comments now says that there is a message board on the user's page. It plans to use a comment component to post replies from users in some posts. This comment component is also used when designing the database. The comment component uses the same data table...

黄舟 2017-06-20 10:07:20

node.js - How to get loop variables in nodejs using for of to traverse Map

My problem is to prevent duplicate data from being inserted when adding data to the array, so I thought of map, but I don’t know how to get the index after traversing the Map structure. If I don't use map, is there any other concise way?

phpcn_u1582 2017-06-14 10:52:45

PHP master looks at an array problem

{Code...} The data in the data inventory is like this ['7','2'] 7 represents the product id and 2 represents the quantity of the product purchased. Now how can I restore it to an array that can be used by PHP?

高洛峰 2017-06-08 11:01:38

javascript - axios upload data to php returns empty

1.vue 2.0 uses axios to upload data and returns empty, and the background is php 2.vue code {code...} 3.php code {code...} 4.console returns data {code...} 5. Remarks get Obtaining data is valid. For some reason, post submission data cannot be obtained on the php page, and the return is empty, htm.....

过去多啦不再A梦 2017-06-20 10:05:38

After copying website to local, WordPress homepage redirects to duplicate copy

Background: I have multiple websites running on rpi4 using nginx and wordpress. I want to copy one of the sites to my local network for development and testing. I copied the database and WordPress files and set up a config file to listen on port 8082 and backup the database. The original website is ...

P粉459440991 2024-03-31 15:26:18

Group MySQL results by ID for looping over

I have a table with flight data in mysql. I'm writing a php code that will group and display data using codeigniter3 journey_idair_idFlightDurationout_or_inflightduration21120hr5minoutbound12052120hr5minoutbound13003117hr55mininbound22584117hr55mininbound10

P粉638343995 2024-04-06 17:27:56

Initializing a container to run on MySQL using Kubernetes

I'm running mysql as an init container of a kubernetes deployment. For various reasons I need to start mysql in the init container/restore a backup of mysql -> save it into a pvc and then the main pod will be a mysqlpod with the data attached to it. This is because I need to take a snapshot of th...

P粉315680565 2024-03-26 19:48:31

Alembic - Using composite primary keys causes incorrect table definition in MySQL

I have multiple "versioned" database SQLAlchemy models that use composite primary keys, achieved by combining an auto-incrementing integer field ("id") and a datetime field ("record_valid_from"). I'm trying to run this model in a local Docker container against a MySQL d...

P粉183077097 2023-07-24 22:17:01

Split array of objects by JSON year using PHP

My question is how to get or split an array in ascending order using array key date, I tried a lot...but I didn't get it, [{"id":"47","date":"07/16/2022 ","text":"ph"}{"id":"46","date":"

P粉924915787 2024-02-03 22:31:37

After the underlying device C language RC4 is encrypted, why can't Java use rc4 to decrypt, but other people's PHP programs can decrypt successfully?

The underlying device is a wifi probe that regularly pushes data to a service. This service address receives the data and uses rc4 to decrypt it. The underlying device rc4 encryption is written in C language. java receiving program {code...} java rc4 decryption program: public class RC4 { {code...} ...

PHP中文网 2017-06-17 09:15:15

How to synchronize development and production databases

Do you know of any application that synchronizes two databases - during development sometimes you need to add a table row or two or a new table or column. Normally I write each sql statement to some file and execute the lines on my production database during the upload path (backing it up before). I...

P粉520204081 2023-10-22 23:37:30

json_decode returns null after storing 2 arrays in .json file - validation

I have a question about using PHP with JSON. I use array to store .json file inside. The array containing the data comes from my index.php and is populated by the user, so far so good. All the content is saved in .json and when I have more than 1 user storing content in it (meaning there are 2 array...

P粉333395496 2024-02-17 22:35:10

mysql - The problem of repeated entry always occurs in PHP loops

The user information is stored in the array, and then a loop is used to enter the mysql database. However, occasionally the information of individual users is entered twice. I don’t know where the logic error is. Please give me some advice: the logic code is as follows {code...} The strange thing no...

PHP中文网 2017-05-24 11:30:40

Is there another way to display export button in Yajra datatable using laravel 5.8?

I'm using YajraDatatables to query a list of users on the server side. I added all dependencies but the button is not showing. Buttons are Copy, PDF, CSV, and even display custom buttons. I've tried using different versions of JQuery but still no results. When I just initialize the datatable with th...

P粉021708275 2024-03-26 11:06:25

SQL - How to get the latest entry between two different tables? (The timestamp is not stored)

I'm working on an ongoing project in which I'm dealing with quotes and the database structure is not well organized and I can't make much changes to the database schema to fix it. In the database: two types of quotes and saved in two different tables. Assume regular_quotes and premium_quotes are two...

P粉244155277 2023-09-07 00:14:25

phpsstudy upgrade procedure is not done well. Upgrade fails every time

Every upgrade is unsuccessful. It takes a lot of time to deal with upgrade issues. For example, there is no backup when upgrading the database and there is no backup when upgrading the site configuration. The upgrade procedure was not done properly. It’s really a trap. It's better not to upgrade. I ...

2 2018-11-22 10:06:17