各种数据库领域的中国名人--chinatopgun
各种数据库领域的名人: Oracle db当前炙手可热的,该领域的名人相当多,白鳝,krzl,老盖,老杨(廷琨),惜总(oracle原厂),bill.lee师傅(oracle原厂),Travel(人称T少),银行没有存款,人生如梦,童总(杭创)等等。 IBM db2的名人有牛新庄,王涛,
各种数据库领域的名人:Oracle db当前炙手可热的,该领域的名人相当多,白鳝,krzl,老盖,老杨(廷琨),惜总(oracle原厂),bill.lee师傅(oracle原厂),Travel(人称T少),银行没有存款,人生如梦,童总(杭创)等等。
IBM db2的名人有牛新庄,王涛,张东焕(富通东方),王飞鹏(IBM原厂),王富国(IBM原厂)等等
Microsoft sqlserver 的名人有徐海蔚(ms原厂),胡百敬,俞榕刚(ms原厂),朱桦(ms原厂),王佳毅(ms原厂)等等
SAP Sybase ASE 的名人有卢东明(SAP原厂),何雄
Mysql 的名人有宁海元(阿里)等。
PostgreSQL的名人有Andrew Yu , Jolly Chen ,何伟平(去哪儿),周正中,黄坚,阿弟

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

Apple's latest releases of iOS18, iPadOS18 and macOS Sequoia systems have added an important feature to the Photos application, designed to help users easily recover photos and videos lost or damaged due to various reasons. The new feature introduces an album called "Recovered" in the Tools section of the Photos app that will automatically appear when a user has pictures or videos on their device that are not part of their photo library. The emergence of the "Recovered" album provides a solution for photos and videos lost due to database corruption, the camera application not saving to the photo library correctly, or a third-party application managing the photo library. Users only need a few simple steps

How to use MySQLi to establish a database connection in PHP: Include MySQLi extension (require_once) Create connection function (functionconnect_to_db) Call connection function ($conn=connect_to_db()) Execute query ($result=$conn->query()) Close connection ( $conn->close())

To handle database connection errors in PHP, you can use the following steps: Use mysqli_connect_errno() to obtain the error code. Use mysqli_connect_error() to get the error message. By capturing and logging these error messages, database connection issues can be easily identified and resolved, ensuring the smooth running of your application.

In recent years, Apple has been actively promoting the diversification of its supply chain, trying to move some iPhone and iPad production to India, aiming to reduce costs and spread risks. However, according to Taiwanese media reports on July 23, Apple’s production layout in India has not been smooth sailing, but has encountered considerable challenges. Now, Apple is transferring some of its iPhone production capacity back to China. 1. Apple has high hopes for manufacturing in India. Apple once had high hopes for manufacturing in India. Bloomberg reported earlier that Foxconn’s factories in India followed closely behind mainland China in supplying iPhone 15 series mobile phones to the global market almost simultaneously, demonstrating the close integration of the production cycles of the two places. The Indian government and industry are full of expectations for this, and even publicly declared that the output value will be increased in the next five years.

According to news on July 9, in the second quarter that just passed, the top 5 mobile phone market in China ushered in a major reshuffle. According to @digitalchat.com, the shipment rankings will undergo major changes in the second quarter of 2024, with vivo, Xiaomi, and Apple ranking among the top three. The overall market shows a growth trend, with Huawei and Xiaomi leading the overall market. 1.vivo: with a market share of 17.93%, ranking first, with a year-on-year growth of 7.17%. Xiaomi: ranked second with a market share of 15.95%, a year-on-year increase of 19.65%, surpassing Apple. OPPO: Market share 15.17%, ranking fourth. Huawei: With a market share of 14.93%, ranking fifth, it increased by 42.53% year-on-year, the highest growth rate. Honor: Market share 14.93%, ranking sixth, year-on-year growth

Using the database callback function in Golang can achieve: executing custom code after the specified database operation is completed. Add custom behavior through separate functions without writing additional code. Callback functions are available for insert, update, delete, and query operations. You must use the sql.Exec, sql.QueryRow, or sql.Query function to use the callback function.

Through the Go standard library database/sql package, you can connect to remote databases such as MySQL, PostgreSQL or SQLite: create a connection string containing database connection information. Use the sql.Open() function to open a database connection. Perform database operations such as SQL queries and insert operations. Use defer to close the database connection to release resources.

JSON data can be saved into a MySQL database by using the gjson library or the json.Unmarshal function. The gjson library provides convenience methods to parse JSON fields, and the json.Unmarshal function requires a target type pointer to unmarshal JSON data. Both methods require preparing SQL statements and performing insert operations to persist the data into the database.
