Home Database Mysql Tutorial mysql下普通用户备份数据库时无lock tables权限的解决方法

mysql下普通用户备份数据库时无lock tables权限的解决方法

Jun 07, 2016 pm 06:05 PM
lock

mysql使用普通用户备份出现无lock tables权限的解决方法,需要的朋友可以参考下。

[root@jb51.net]# mysqldump -u dbuser -ppass db > db.sql
mysqldump: Got error: 1044: Access denied for user 'dbuser'@'localhost' to database 'db' when using LOCK TABLES
解决一:

加上-skip-lock-tables选项即可。即:

[root@jb51.net]# mysqldump -u dbuser -ppass db --skip-lock-tables > db.sql
解决2:

使用具有lock权限的用户进行备份。
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

Video Face Swap

Video Face Swap

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

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)

How to use Lock in Java multithreading How to use Lock in Java multithreading May 12, 2023 pm 02:46 PM

After Jdk1.5, under the java.util.concurrent.locks package, there is a set of interfaces and classes for thread synchronization. When it comes to thread synchronization, everyone may think of the synchronized keyword, which is a built-in keyword in Java. It handles thread synchronization, but this keyword has many flaws and is not very convenient and intuitive to use, so Lock appears. Below, we will compare and explain Lock. Usually when we use the synchronized keyword, we will encounter the following problems: (1) Uncontrollability, unable to lock and release locks at will. (2) The efficiency is relatively low. For example, we are currently reading two files concurrently.

What are the ways to use Lock in Java? What are the ways to use Lock in Java? Apr 23, 2023 pm 08:52 PM

1. Function (1) The Lock method to acquire locks supports interruption, no acquisition after timeout, and is non-blocking (2) It improves semantics. Where to lock and unlock must be written out (3) Lock explicit lock can bring us Comes with good flexibility, but at the same time we must manually release the lock (4) Support Condition condition object (5) Allow multiple reading threads to access shared resources at the same time 2.lock usage //Get the lock voidlock() //If the current thread has not If interrupted, acquire the lock voidlockInterruptibly()//Return a new Condition instance bound to this Lock instance ConditionnewCondition()//Lock only when called

What functionality does the Java Lock class provide? What functionality does the Java Lock class provide? Apr 21, 2023 am 08:16 AM

Note 1. Lock is an interface under the java.util.concurent package, which defines a series of locking operation methods. 2. The Lock interface mainly includes ReentrantLock, ReentrantReadWriteLock, ReentrantReadWriteLock, and WriteLock implementation classes. Different from Synchronized, Lock provides related interfaces such as acquiring locks and releasing locks, making it more flexible to use and more complex to operate. InstanceReentrantReadWriteLocklock=newReentrantReadWriteLock();Lockread

Why does Java need to provide Lock instead of just using the synchronized keyword? Why does Java need to provide Lock instead of just using the synchronized keyword? Apr 20, 2023 pm 05:01 PM

Summary: The synchronized keyword is provided in Java to ensure that only one thread can access the synchronized code block. Since the synchronized keyword has been provided, why is the Lock interface also provided in the Java SDK package? Is this unnecessary reinvention of the wheel? Today, we will discuss this issue together. The synchronized keyword is provided in Java to ensure that only one thread can access the synchronized code block. Since the synchronized keyword has been provided, why is the Lock interface also provided in the Java SDK package? Is this unnecessary reinvention of the wheel? Today, let’s discuss it together

What are the methods of lock acquisition in Java? What are the methods of lock acquisition in Java? May 19, 2023 pm 01:13 PM

1. The acquisition methods lock(), tryLock(), tryLock(longtime, TimeUnitunit) and lockInterruptibly() are all used to acquire locks. (1) The lock() method is the most commonly used method, which is used to obtain locks. If the lock has been acquired by another thread, wait. (2) The tryLock() method has a return value, which means it is used to try to acquire the lock. If the acquisition is successful, it returns true. If the acquisition fails (that is, the lock has been acquired by another thread), it returns false, which means this The method returns immediately no matter what. You won't be waiting there when you can't get the lock. (3) tryLoc

Common problems in the Java technology stack and their solutions Common problems in the Java technology stack and their solutions Sep 06, 2023 am 09:59 AM

Common problems in the Java technology stack and their solutions When developing Java applications, we often encounter some problems, such as performance issues, memory leaks, thread safety, etc. This article will introduce some common problems and their solutions, and give corresponding code examples. 1. Performance issues 1.1 Performance issues caused by frequent creation of objects Frequent creation of objects will lead to frequent triggering of garbage collection, thus affecting the performance of the program. The solution is to use object pooling or caching to reuse objects. Sample code: //Reuse objects using object pool

PHP security authentication with Auth0 Lock PHP security authentication with Auth0 Lock Jul 24, 2023 am 11:16 AM

PHP security verification through Auth0Lock With the development of the Internet, more and more applications require user authentication and security verification to protect user privacy and data security. PHP is a widely used backend language that provides many ways to implement secure validation. Auth0 is a popular authentication and authorization platform that provides developers with a flexible and secure way to implement user authentication. Auth0Lock is one provided by Auth0

What is the difference between Lock and Synchronized in Java What is the difference between Lock and Synchronized in Java Apr 17, 2023 pm 07:19 PM

1. From a functional point of view, Lock and Synchronized are both tools used in Java to solve thread safety issues. 2. From a feature point of view, Synchronized is the synchronization keyword in Java, Lock is the interface provided in the J.U.C package, and this The interface has many implementation classes, including the implementation of reentrant locks such as ReentrantLock. Synchronized can control the strength of the lock in two ways. One is to modify the synchronized keyword at the method level, and the other is to modify it on the code block. You can use The life cycle of the synchronized lock object is used to control the scope of the lock. The lock object is a static object or a class pair.

See all articles