show int description

The integer type is followed by the width of the display. m indicates the maximum display width. The maximum effective display width is 255. The display width is independent of the range of values that the storage size or type contains.To practice

1. Show CHARACTER set shows all available character sets' UTF8 ' ; +---------+---------------+-------------------+--------+| Charset | Description | Default Collation | MaxLen |+---------+---------------+-------------------+--------+| UTF8 | utf-83 |

Error Description:Today in the use of Qt to write a C + + function template test program, compile time, compile the time when the following error occurred:The error description is: In the main function, when the function max () overloaded, there

25.2.3.26.mysql _ get_character_set_info () voidmysql_get_character_set_info (MYSQL * mysql, MY_CHARSET_INFO * cs) describes the functions that provide information about the Default Client character set. You can use the mysql_set_character_set ()

Technical Background:When I first started to learn MySQL, sometimes lazy, I would use show create table name \g to copy table creation statements, but when running, always because "single quotes on table and column names", prompting for a syntax

While you're probably about to start developing the next Super app, all your planning and design is ready, but there's one thing you might not think about--how do you monetize it? There are two options, either to make it a paid app, for those

1, belongs to the javax.swing package.2, Function: Customize four different kinds of standard dialog box.Confirmdialog Confirmation dialog box. Ask a question and then be confirmed by the user (press "Yes" or "No" button)Inputdialog Prompt to enter

form display in A.winform There are 2 ways to display a form: Form.ShowDialog method (form is displayed as a modal form) Form.show method (form is shown as modeless form) 2 specific differences are as follows: 1. After the Form.show method is

This represents the width of the displayThe display width of the whole series and how many characters does MySQL need to display the column value, it has nothing to do with the size of the storage space required by the integer, for example,

First, backgroundThe ID field in table A in the SQL Server database is defined as: [ID] [int] IDENTITY, as the data grows, the ID value is close to 2147483647 (the value range for int is:-2 147 483 648 to 2 147 483 647). , although the old data has