Home Database Mysql Tutorial 8 recommended articles about continuous sign-ins

8 recommended articles about continuous sign-ins

Jun 10, 2017 am 11:51 AM

This article mainly introduces the MYSQL implementation of continuous sign-in function. It is very good and has reference value. Friends in need can refer to the following 1. Create a test table CREATE TABLE `testsign` ( `userid` int(5) DEFAULT NULL, `username` varchar(20) DEFAULT NULL, `signtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `type` int(1) 

1. Detailed explanation of how MYSQL implements the function of continuously signing in and ending the day and starting from the beginning (picture)

8 recommended articles about continuous sign-ins

Introduction: This article mainly introduces the continuous sign-in function of MYSQL and starts from scratch after one day. It is very good and has reference value. Friends who need it can refer to it. Next

2. ThinkPHP continuous sign-in small case

Introduction: Provide various official and user-released code examples, code reference , welcome everyone to exchange and learn

3. How does mysql count and query continuous sign-ins and cumulative sign-ins

##Introduction: Two questions: No. 1. Query the cumulative number of sign-ins within a specified period (similar to Tieba, each user can sign in once to each organization, but no matter how many organizations the user signs in to, as long as they sign in to one organization, they will be counted as signed in that day, and the statistics will be calculated at the specified time How many days have the check-ins accumulated within the interval). Second,...

4. Newbie, please introduce PHP+AJAX+mysql sign-in system

: Newbie, looking for PHP+AJAX+mysql sign-in system. This post was last edited by Zaryan on 2012-12-09 12:16:00 PHP+MySQL+Memcached implements web sign-in. You can sign in every 0 o'clock. Points for continuous sign-in are accumulated. They will be cleared every other day and start over. Thank you------Solution---------- ----------I don't have it, sorry

5. Newbie, please sign in with PHP+AJAX+mysql system

Introduction: Newbie, looking for PHP+AJAX+mysql sign-in system. This post was last edited by Zaryan on 2012-12-09 12:16:00 PHP+MySQL+Memcached realizes web sign-in, every time after 0 o'clock You can sign. Points will be accumulated if you sign in continuously. They will be cleared every other day and you can start over. Thank you ------Solution--------------------I don't have it. I'm sorry.

6. What is the need for sign-in?

Introduction: The mall received a request and has the following requirements: Add a sign-in function. Sign-in on the 1st will add 1 point, and sign-in on the 2nd will add 2 points. And so on. If you sign in on the 6th, 15th, and 25th day in a row, you will be awarded 50, 70, and 100 points respectively. You can re-sign once a day. Users can view the history for several months...

7. Database, how to design a continuous sign-in system?

Introduction: Background: The system will gradually award points for continuous sign-ins, and there will be certain point rewards for continuous sign-ins, and users who sign-in for 30 consecutive days will be given more points. . Requirements: Check-in is not based on natural months. How to judge whether it is a continuous sign-in? Then there is how to design the database, because...

8. How to design the database for the sign-in function

Introduction: The specific sign-in rules are configured by the user in the background. The number of days for each consecutive sign-in is then given as points or other benefits, and whether each person receives it once is also set. The main table is the sign-in, the basic setting rules are the secondary table, and the user sign-in is a table. Now I am struggling with how to determine whether the user has received it. Yes...

[Related Q&A recommendations]:

php - How does mysql count and query continuous sign-ins and cumulative sign-ins

php - mysql query the number of days a user has continuously checked in

php - How to do the check-in requirement.

javascript - How to determine continuous check-in based on the last check-in time

javascript - Check-in and continuous check-in

The above is the detailed content of 8 recommended articles about continuous sign-ins. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Explain InnoDB Full-Text Search capabilities. Explain InnoDB Full-Text Search capabilities. Apr 02, 2025 pm 06:09 PM

InnoDB's full-text search capabilities are very powerful, which can significantly improve database query efficiency and ability to process large amounts of text data. 1) InnoDB implements full-text search through inverted indexing, supporting basic and advanced search queries. 2) Use MATCH and AGAINST keywords to search, support Boolean mode and phrase search. 3) Optimization methods include using word segmentation technology, periodic rebuilding of indexes and adjusting cache size to improve performance and accuracy.

How do you alter a table in MySQL using the ALTER TABLE statement? How do you alter a table in MySQL using the ALTER TABLE statement? Mar 19, 2025 pm 03:51 PM

The article discusses using MySQL's ALTER TABLE statement to modify tables, including adding/dropping columns, renaming tables/columns, and changing column data types.

When might a full table scan be faster than using an index in MySQL? When might a full table scan be faster than using an index in MySQL? Apr 09, 2025 am 12:05 AM

Full table scanning may be faster in MySQL than using indexes. Specific cases include: 1) the data volume is small; 2) when the query returns a large amount of data; 3) when the index column is not highly selective; 4) when the complex query. By analyzing query plans, optimizing indexes, avoiding over-index and regularly maintaining tables, you can make the best choices in practical applications.

Can I install mysql on Windows 7 Can I install mysql on Windows 7 Apr 08, 2025 pm 03:21 PM

Yes, MySQL can be installed on Windows 7, and although Microsoft has stopped supporting Windows 7, MySQL is still compatible with it. However, the following points should be noted during the installation process: Download the MySQL installer for Windows. Select the appropriate version of MySQL (community or enterprise). Select the appropriate installation directory and character set during the installation process. Set the root user password and keep it properly. Connect to the database for testing. Note the compatibility and security issues on Windows 7, and it is recommended to upgrade to a supported operating system.

Difference between clustered index and non-clustered index (secondary index) in InnoDB. Difference between clustered index and non-clustered index (secondary index) in InnoDB. Apr 02, 2025 pm 06:25 PM

The difference between clustered index and non-clustered index is: 1. Clustered index stores data rows in the index structure, which is suitable for querying by primary key and range. 2. The non-clustered index stores index key values ​​and pointers to data rows, and is suitable for non-primary key column queries.

What are some popular MySQL GUI tools (e.g., MySQL Workbench, phpMyAdmin)? What are some popular MySQL GUI tools (e.g., MySQL Workbench, phpMyAdmin)? Mar 21, 2025 pm 06:28 PM

Article discusses popular MySQL GUI tools like MySQL Workbench and phpMyAdmin, comparing their features and suitability for beginners and advanced users.[159 characters]

How do you handle large datasets in MySQL? How do you handle large datasets in MySQL? Mar 21, 2025 pm 12:15 PM

Article discusses strategies for handling large datasets in MySQL, including partitioning, sharding, indexing, and query optimization.

How do you drop a table in MySQL using the DROP TABLE statement? How do you drop a table in MySQL using the DROP TABLE statement? Mar 19, 2025 pm 03:52 PM

The article discusses dropping tables in MySQL using the DROP TABLE statement, emphasizing precautions and risks. It highlights that the action is irreversible without backups, detailing recovery methods and potential production environment hazards.

See all articles