亚洲国产日韩欧美一区二区三区,精品亚洲国产成人av在线,国产99视频精品免视看7,99国产精品久久久久久久成人热,欧美日韩亚洲国产综合乱

mysql ERROR 1878 (HY000): Temporary file write failure

我在給message表增加字段時報錯。 使用的SQL {代碼...} MYSQL報錯如下： {代碼...} 以下是message表的信息： 表類型:InnoDB 行數(shù):15786772 索引長度:1006.89 MB 數(shù)...

From [MySQLdiscussion group] 2017-04-17 11:36:54 0  1  1887

我用不小心用 mysql 的int(11) 存了 手機(jī)號，數(shù)據(jù)都有問題，有辦法恢復(fù)么？

我用不小心用 mysql 的int(11) 存了用戶的手機(jī)號，結(jié)果里面存的數(shù)據(jù)都是 10 位的，而且也不是單純的被截斷了一位， 比如手機(jī)號 18345231102 會被轉(zhuǎn)成 4294967295 有辦法恢復(fù)么，急。。。。...

From [MySQLdiscussion group] 2017-04-17 11:11:03 0  7  1874

mysql官方有好多l(xiāng)inux版本，但是沒有centos的，請問該選哪個

請問該選擇哪個版本呢？各版本之間是否可以通用，如果通用，官方為什么要分這么多版本呢？

From [MySQLdiscussion group] 2016-11-21 10:23:21 0  4  1868

This code neither prompts an error nor can I see the result. Please tell me where the error is. Thank you!

<?php/**Use PDO to complete the database connection*/require 'pdo_conf.php';try{ $pdo = new PDO($dsn,$userN...

From [MySQLdiscussion group] 2019-08-01 20:48:35 1  7  1855

sqlalchemy.exc.ArgumentError: list argument must contain only tuples or dictionaries

I've been trying to use sqlalchemy to dump data into a mysql database. When I try to do this, it gives the err...

From [MySQLdiscussion group] 2023-11-07 21:06:02 0  1  1845

Does PDO need to be installed in advance when using it?

Hello teacher, does PDO need to be installed or configured in advance when using it?

From [MySQLdiscussion group] 2019-08-03 18:05:50 0  2  1840

Unable to insert data.

var_dump($num); The result is boolean false, which can be inserted by executing the sql statement directly in ...

From [MySQLdiscussion group] 2019-12-03 23:57:20 0  7  1832

Mysql database design - chat record table design

I would like to ask all the experts, how do you design the chat database? Those who have experience can talk a...

From [MySQLdiscussion group] 2020-04-21 12:12:14 0  2  1823

Database cannot be accessed

It was normal to use Navicat to connect to the database two days ago. After opening it today, I can no longer ...

From [MySQLdiscussion group] 2019-08-26 14:12:42 0  4  1822

What is the default database password for mysql on php Chinese website?

What is the default database password for mysql on php Chinese website?

From [MySQLdiscussion group] 2017-07-10 22:21:05 0  2  1818

如何查看Mysql表的隱藏列？

在理解Mysql的多版本并發(fā)控制時，Mysql會自動在表中每一行記錄的后面增加兩個隱藏列，記錄創(chuàng)建版本號和刪除版本號； 請問，如何查看到這兩列呢？

From [MySQLdiscussion group] 2017-04-17 16:37:11 0  0  1813

The MYSQL database is always red and cannot run!

From [MySQLdiscussion group] 2017-10-15 11:06:04 0  4  1803

The page displays 404

According to the steps, there is no problem in writing the PHP file. When searching through the browser, NOT F...

From [MySQLdiscussion group] 2018-07-24 17:38:38 0  1  1800

mysql - 我這樣的表結(jié)構(gòu)如何一個用戶關(guān)聯(lián)多個公司多個部門多個崗位？

公司表 {代碼...} 部門表 所有公司用一套部門 {代碼...}

From [MySQLdiscussion group] 2017-04-17 13:25:44 0  4  1797

經(jīng)緯度坐標(biāo) - 經(jīng)緯度在mysql數(shù)據(jù)庫中如何存儲？

有一個要求是不能用double類型，float類型也不能用。那么在mysql中使用什么樣的類型存儲經(jīng)緯度比較合適呢？ 如果要存為varchar類型，php中兩者該如何轉(zhuǎn)換呢？如果存為int類型，是否要使用bigint，還...

From [MySQLdiscussion group] 2017-04-17 13:26:43 0  3  1792