Directory
· 1. Introduction to MySQL concepts
· II. MySQL configuration in Windows
· Configuration steps
· Start, stop, and uninstall the MySQL Service
· III. Basic Components of MySQL scripts
· IV. Data Types in MySQL
· Use the MySQL database
· Log
Mysql and oracle table field definitions comparison description mysql oracle VARCHAR www.2cto.com variable-length string VARCHAR [0-65535] definition length is calculated by default, if it is GBK-Encoded chinese characters will occupy 2 bytes, if
MySQL supports a large number of column types, which can be divided into three types: Number type, date and time type, and string (character) type. This section first provides an overview of available types, summarizes the storage requirements for
MySQL supports a large number of column types, which can be divided into three types: Number type, date and time type, and string (character) type. This section first provides an overview of available types, summarizes the storage requirements for
MySQL Data Types
Note: The following content is applicable to MySQL and later versions.
MySQL has many data types. Selecting the correct data type is crucial for achieving high performance. This article is based on some blogs I have seen on the
MySQL supports a large number of column types, which can be divided into three types: Number type, date and time type, and string (character) type. This section first provides an overview of available types, summarizes the storage requirements for
MYSQL data type description bitsCN.com
MySQL supports a large number of column types, which can be divided into three types: number type, date and time type, and string (character) type. This section first provides an overview of available types,
MySQL supports a large number of column types, which can be divided into three types: number type, date and time type, and string (character) type. This section first provides an overview of available types, summarizes the storage requirements for
Mysql field type indicates that MySQL supports a large number of column types, which can be divided into three types: Numeric type, date and time type, and string (character) type. This section first provides an overview of available types,
In the PLSQL process, we need to debug the process and view the variable content. You can use the following method. Assume that the variable to be viewed is output and the type is varcha.
We need to debug the PL/SQL process to view the variable
We have been working on EDM recently. We can share this page with you.
1. template encoding language selection
Template encoding settings are related to the sending software used. Generally,UTF-8 is a common choiceIncorrect encoding may cause
I. Introduction to the methodology 1. Definition: Boundary value analysis method is a black box test method to test the boundary value of input or output. The boundary value analysis method is usually used as a supplement to the equivalence class
1. Boundary Value Analysis:Long-term testing experience tells us that a large number of errors occur on the boundary of the input or output range, rather than on the inside of the input and output range. Therefore, to design test cases for various
Binfmt_misc KernelKernel support for miscellaneous (your favorite) binary formats V1.1
Kernel support for a variety of binary formats
========================================================== ==================================
This kernel feature
Author: Mu Feng
In this article, I would like to introduce you to Lua program design. I suppose everyone has learned at least one programming language, such as basic or C, especially C. Because Lua is used as a script in the Host Program for the
MySQL supports a large number of column types, which can be divided into three types: Number type, date and time type, and string (character) type. This section first provides an overview of available types, summarizes the storage requirements for
Asp.net data transfer between pages (Summary)
1. Get (explicitly passed using QueryString)Method: Follow the url with parameters.Features: simple and convenient.Disadvantage: the string can contain a maximum of 255 characters, and the data is
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';' Not allowed before 'else' before else is not allowed ";"
' 'clause not allowed in OLE Automation section does not allow the' 'clause in the
1. Download the installation file from the Internet (here I download a MySQL binary distribution)Http://dev.mysql.com/downloads/index.html
2. Upload the file to the host through securecrtCopy mysql-3.23.58-pc-linux-i686.tar to C:/program
Today, we are preparing to design a complete database. So we Google the MySQL database design principles, mainly data types and table design, for fear that we may forget to sort them out.
ReferenceArticle: MySQL field type Author: simaopig
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