. csv type of cell cannot exceed 255, to be converted to XLS formatASP. NET read Excel content more than 255 characters are truncated, this problem is very confusing, sometimes the cell is truncated, sometimes the C # operation is truncated when
Problem:
When you use the Microsoft Excel ODBC driver to read fields that exceed 255 characters in an Excel file, the returned string is truncated to 255.
Cause:
By default, the Microsoft Excel ODBC driver checks the first eight rows to check
Excel 255 characters in length Import SQL Server2005 method[Excel Source [1]] Error: Error in output column ' Description 3 ' (546) on output ' Excel source Output ' (9). The column state returned is: "The text is truncated, or one or more
Linux environment everywhere Excel error: The maximum column width for a individual cell is 255 charactersSolution: for (int i = 0; i ) { int colwidth = sheet.getcolumnwidth (i) * *; if (colwidth ); }
MySQL official documentation: http://dev.mysql.com/doc/refman/5.1/zh/data-types.html
The detailed descriptions below are not necessarily accurate and incomplete. Please include more or give your suggestions. I 'd like to hear from you.
Numeric
MySQL uses a number of different data types to break down into three broad categories: numbers, dates and times, and string types.
Numeric data type:
MySQL uses all the standard ANSI SQL numeric data types, so if you have a different database
1. Practical Experience SectionOracle--->mysqlNumber--->int (12)Number (12,2)--->decimal (12,2) or float (12,2) or double (12,2)VARCHAR2--->varcharCLOB--->blob DATE--->date (or datetime)Oracle: Long can store 2G size characters, CLOB can store 4G
Mainstream database of deep learning | MySQL basics, mainstream mysql Beijing | deep learning and AI Training
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Review deep learning with the classic course
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The body contains 4732 words and 21 images. The expected reading time is 12
The latest data development technology ole db provided by Microsoft is built on the COM interface. Because ole db is very convenient to develop databases and has fast access to databases, it has become the preferred technology for many commercial
MySQL char and varchar are very similar.The maximum length of char is 255, and when it is not enough 255 characters, the right side complements the spaces padding.The maximum varchar length is 65535.VARCHAR (n) has one or two bytes more than char (n)
When you are developing a database generic component today, when you convert a C # database type to an Access database type, you find that the maximum length of the "text" type in Access is 255, and you need to use the "Memo" type when the length
Recently depressed, the conversion between the underlying type and Java type is unclear, and by the way the information on the Internet lists some types to remindMysql1, integers:
MySQL data type
Meaning (Signed)
MySQL command learning (1) today, let's take a look at common MySQL commands (the command keywords in MySQL are case insensitive ):
(1) show databases; displays all databases in MySQL
(2) create database dbname; create database dbname in MySQL
For
MySQL field data type MySQL has three types of columns: numbers, strings, and dates. Numeric type
The number column type is used to store various numeric data, such as price, age, or quantity. There are two types of numeric columns: integer and
Data Type description storage Text is used for a combination of up to 255 characters in Text or Text and numbers. MemoMemo is used for a larger number of texts. It can store up to 65,536 characters. Note: memo fields cannot be sorted. However, they
Data Types supported by Mysql (Summary of column types) and mysql Data Types
I. Numerical type
Mysql supports all numeric types in standard SQL, including strict data types (INTEGER, SMALLINT, DECIMAL, NUMBERIC), and approximate numeric data types
MicrosoftAccess provides two field data types (Field Data Type: determines which data field features can be stored. For example, text fields can store data consisting of text or numeric characters, while numeric fields can only store numerical data .
Url rewrite:
Http: // 127.0.0.1/playflash/1_2_3_4 _ *****. html
Or
Http: // 127.0.0.1/playflash/1/2/3/4/5 /*****/
When the URL of this site"/Playflash/"After the length reaches 260, the following error is reported in IIS:Bad Request (Invalid
How to: link an assembly to a word or Excel File
Microsoft Office 2003 documents containing managed code extensions must have paths to their associated assembly. The path and Assembly name are stored in the Custom Attributes of the document._
Lesson 1Deformation and loading of 3D objects from a file:
In this lesson, you will learn how to load 3D models from files and smoothly transform from one model to another.Welcome to this exciting lesson. In this lesson, we will introduce the
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