我想在 mysql 中创建新的数据库。
我以 root 身份登录。我已经为root用户设置了密码。
mysql> SHOW GRANTS FOR root;
+---------------------------------------------------------------------------------------------+
| Grants for root@% |
+---------------------------------------------------------------------------------------------+
| GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY PASSWORD <secret> WITH GRANT OPTION |
| GRANT PROXY ON ''@'' TO 'root'@'%' WITH GRANT OPTION
|
+---------------------------------------------------------------------------------------------+
2 rows in set (0.00 sec)
mysql> create database xxx;
ERROR 1044 (42000): Access denied for user 'root'@'localhost' to database 'xxx'
我注意到一件事是我没有 mysql 数据库
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| info_schema …当我从cmd提示符启动jupyter笔记本时,我得到以下错误
C:\Users\Ganesh>jupyter notebook
Traceback (most recent call last):
File "C:\ProgramData\Anaconda3\Scripts\jupyter-notebook-script.py", line 6, in <module>
from notebook.notebookapp import main
File "C:\ProgramData\Anaconda3\lib\site-packages\notebook\notebookapp.py", line 46, in <module>
from zmq.eventloop import ioloop
File "C:\ProgramData\Anaconda3\lib\site-packages\zmq\__init__.py", line 47, in <module>
from zmq import backend
File "C:\ProgramData\Anaconda3\lib\site-packages\zmq\backend\__init__.py", line 40, in <module>
reraise(*exc_info)
File "C:\ProgramData\Anaconda3\lib\site-packages\zmq\utils\sixcerpt.py", line 34, in reraise
raise value
File "C:\ProgramData\Anaconda3\lib\site-packages\zmq\backend\__init__.py", line 27, in <module>
_ns = select_backend(first)
File "C:\ProgramData\Anaconda3\lib\site-packages\zmq\backend\select.py", line 27, in select_backend
mod = __import__(name, fromlist=public_api)
File "C:\ProgramData\Anaconda3\lib\site-packages\zmq\backend\cython\__init__.py", line 6, in <module>
from . …我已经卸载了 open jdk 并尝试安装 oracle jdk8 但出现以下错误
oracle@ubuntu:~/Downloads$ sudo apt update
Hit:1 http://in.archive.ubuntu.com/ubuntu bionic InRelease
Hit:2 http://in.archive.ubuntu.com/ubuntu bionic-updates InRelease
Hit:3 http://dl.google.com/linux/chrome/deb stable InRelease
Hit:4 http://ppa.launchpad.net/linuxuprising/java/ubuntu eoan InRelease
Ign:5 http://ppa.launchpad.net/webupd8team/java/ubuntu eoan InRelease
Err:6 http://ppa.launchpad.net/webupd8team/java/ubuntu eoan Release
404 Not Found [IP: 91.189.95.83 80]
Reading package lists... Done
E: The repository 'http://ppa.launchpad.net/webupd8team/java/ubuntu eoan Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation …