My.ini file can't be found in mysql root directory. Recreate my.ini

1. First of all, I opened the hidden file according to the Internet, or I could not find my.ini. 2, if method 1 finds... No need to look at 2. Accept reality if you don't find it. You need to create my.ini yourself and reconfigure it. (1) The administrator runs cmd on the premise that the mysql environm ...

Posted on Sat, 05 Oct 2019 03:14:06 -0700 by Alidad

Addition, deletion and modification of Oracle database

Database modification & data backup - database modification & data backup Note: After the execution of the deleted modified data SQL statement, it will not enter the data writing immediately. - You also need to submit data manually and roll back if there is a problem with the data. Primary key ...

Posted on Sat, 05 Oct 2019 02:56:03 -0700 by netpants

Realization of ATM ATM System by Python

Python implements ATM Realization of ATM ATM System by Python [csdn blog portal] (https://blog.csdn.net/zhanghao 3389) [github blog portal] (https://mrzhang3389.github.io/) Boring wrote a ATM ATM system, there is a small bug does not affect the use of Knowledge required for this chapter: 1. Simple SQL statements (build database, build tables, a ...

Posted on Sat, 05 Oct 2019 00:28:56 -0700 by bwochinski

Data Integrity

In order to ensure that the data in the initial drawing database can correctly reflect the real situation, some constraints on entity integrity of the data will be made in the table. For example, a student information must contain a student number (indispensable) Domain integrity Name 123 Type Limite ...

Posted on Fri, 04 Oct 2019 21:58:10 -0700 by shadow-x

Redis from Cognitive Installation to Implementing CURD

Redis knows nothing but knows a little. Redis is an open source, support network, memory based and optional persistence key value pair storage database written by ANSI C. Simply put, Redis is a high-performance NOS QL database What is NoSQL? The MySQL database we learned before is a typical SQL database, that is, the traditional relational dat ...

Posted on Fri, 04 Oct 2019 13:17:19 -0700 by jroodman

Unity's Beauty in Resource Management Using Asset Database Editor

Links to the original text: https://gameinstitute.qq.com/community/detail/127380 Unity's resource management model is divided into two types: 1. Manage in the editor, load and unload resources using asset database 2. Runtime management ...

Posted on Fri, 04 Oct 2019 12:08:42 -0700 by double-f

Learning Summary of Basic Use of Mongoose Module

Learning Summary of Basic Use of Mongoose Module Mongoose is a database management tool module of MongoDB in Node environment, which can transform data in the database into Js objects. Installation and Connection of Database Install using npm package management tools. npm i mongoose The introduction ...

Posted on Fri, 04 Oct 2019 00:52:25 -0700 by mashamit

mysql distributed lock of deadly java synchronization series

problem (1) what is distributed lock? (2) why do we need distributed locks? (3) How does mysql implement distributed locks? (4) The advantages and disadvantages of mysql distributed lock? brief introduction With the increasing concurrency, the single-machine service will evolve to multi-node or micro-service sooner or later. At this time, synch ...

Posted on Fri, 04 Oct 2019 00:11:11 -0700 by fr600

Allocation of privileges by zTree

First of all, show the effect map. All permissions are displayed here and the permissions of this role are bound. Overall thinking: Privilege display: first, get all the privilege tree from the privilege table, then get the corresponding privilege from the privilege role middle table (there is a ...

Posted on Thu, 03 Oct 2019 14:10:01 -0700 by van__

Case Study: Climbing TOP250 Data of Douban Music (Database Storage)

Development environment: (Windows) eclipse+pydev+MongoDB Douban TOP website: https://music.douban.com/top250 I. Connecting to the database Open the MongoDBx download path and create a new folder named data. Here, create a new folder named db, which is used to store data. Enter configuration infor ...

Posted on Thu, 03 Oct 2019 11:07:13 -0700 by powaz