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mysql如果一個事務(wù)一直沒有commit并且也沒有rollback會怎樣？

mysql如果一個事務(wù)一直沒有commit并且也沒有rollback會怎樣？有什么辦法查詢到這些沒有被commit也沒有被rollback的事務(wù)。？

From [MySQLdiscussion group] 2017-04-17 13:46:53 0  4  1002

mysql - 為什么不推薦用tinyint？

我們做的一個項目，把建表的sql語句發(fā)給DBA審核，DBA提出了幾個意見，其中一條是不建議使用tinyint字段，那個字段type的值可能是1或者2，所以我們用tinyint，以前都是這樣用啊。 為什么DBA不推薦使用t...

From [MySQLdiscussion group] 2017-04-17 13:09:47 0  5  1002

How to import CSV file into MySQL table?

I have a non-normalized event log CSV from a client that I'm trying to load into a MySQL table so it can be re...

From [MySQLdiscussion group] 2023-10-09 14:59:12 0  2  999

Problems after setting the root user of mysql to be accessible from the external network

Modify the root user to be able to log in when not local {code...} After completing the above steps, I encount...

From [MySQLdiscussion group] 2017-05-18 10:52:20 0  1  999

javascript - An error keeps appearing when using koa mysql2

I used the koa project generated by koa-generator. The routing part is written as follows: {code...} Mysql nee...

From [MySQLdiscussion group] 2017-06-12 09:20:20 0  2  998

mysql - 數(shù)據(jù)庫中存什么格式?

如果增加markdown編輯器,那數(shù)據(jù)庫存什么格式好,還是存成原生的markdown格式,還是轉(zhuǎn)換成html格式存到數(shù)據(jù)庫? 如果將來再換成html編輯器怎么辦?

From [MySQLdiscussion group] 2017-04-17 11:48:36 0  3  996

PlanetScaleDb Prisma Configuration - Server does not allow insecure connections, clients must use SSL/TLS

I'm starting a brand new PlanetScale support project and setting it up using Prisma. I followed the instructio...

From [MySQLdiscussion group] 2023-11-02 08:58:00 0  1  995

MySQL: Retrieve sum of grouped rows from aggregate results

Suppose I have statistics on the number of visits by users in each country: The query is as follows: SELECTcou...

From [MySQLdiscussion group] 2024-02-26 23:21:28 0  1  993

How to compare mysql time type fields (accurate to hours, minutes and seconds)?

I need to filter data based on the create_time field. The current sql statement is as follows: {code...} Howev...

From [MySQLdiscussion group] 2017-06-06 09:52:27 0  2  992

Database design - MySQL database integration of two systems

1. There are currently systems A and B, and B is the upgraded system of A; 2. The structure of most database t...

From [MySQLdiscussion group] 2017-05-18 10:54:00 0  3  991

mysql - OA中的權(quán)限一人任多部門的崗位 權(quán)限表結(jié)構(gòu)設(shè)置

公司-》部門-》崗位 小李是A公司總經(jīng)理 兼任B公司的副總經(jīng)理 兼任B公司的研發(fā)中心總監(jiān) 兼任B公司的公關(guān)中心 某部門的 經(jīng)理 一個人可能身兼多個公司的多個部門的的多個崗位，這樣的權(quán)限和關(guān)聯(lián)怎么設(shè)置對合理

From [MySQLdiscussion group] 2017-04-17 13:23:36 0  3  990

Recovering MySql tables from .ibd files: an ongoing challenge

The MySQL server suddenly stopped working, the service would be intermittent and I couldn't make a backup beca...

From [MySQLdiscussion group] 2023-12-30 12:03:47 0  1  989

mysql - 范圍條件查詢怎么建索引?

1.where條件為 a > 5 AND a < 8 AND b = 1的時候怎么建索引? 2.where條件為 a IN ('6','7') AND b = 1 的時候怎么建索引? 補(bǔ)充一個...

From [MySQLdiscussion group] 2017-04-17 13:27:45 0  1  989

How to resolve error on Node.js backend: Connection ECONNREFUSED: :1:3306?

I rebuilt my hosting server but after setting up mysql I get the error from the Node.js backend: Error:connect...

From [MySQLdiscussion group] 2023-08-28 12:36:30 0  1  988

Can mySQL in wamp be used alone?

I used to install the integrated environment wamp when I was developing with php. Now I am developing with jsp...

From [MySQLdiscussion group] 2017-06-06 09:52:15 0  3  988