MySQL has a lot of basic commands, and the show command is also one of them. In many users, the use of the show command is also prone to confusion. This article summarizes the many usage of the show command.1. Show tables or show tables from database_name; -- displays the
test: Direct input nslookup c.com and Nslookup have a record point to IP.
Second, we can configure rewrite rules within the nginx. Open nginx.conf File
Find your server configuration segment: "The following is my server configuration segment"
Copy Code code as follows:
Server
{
Listen 80;
server_name www.c.com c.com;
if ($host!= ' www.c.com ') {
Rewrite ^/(. *) $ http://www.c.com/$1 permanent;
}
This is the user directly access c.com direct jump www.c.com. T
How to return all table names and column data types of a database in Mysql
How to return all table names and column data types of a database in Mysql
Desc table name;
Show columns from table name;
Describe table name;
Show create table name;
Use information_schema
Select * from columns where table_name = 'table name
] = = [Default] = [6] = [Extra ] = [7] = select,insert,update,references [Privileges] = select,insert,update,references [8] = [Comment] =) ............ Additional Information: Of course you can also list the fields in MySQL results by mysql_list_fields-. Mysql_list_fields () Gets the information for the given table name, which is the database name and table name, and returns a result pointer. However, the Mysql_list_fields () function is obsolete. It is best to use mysql_query () to emit an SQL
The news that China's search engine giant Baidu will enter the South Korean market has spread in the industry, and none of these messages indicate an accurate source of information. Sohu It found that so far, Baidu Company has not registered in South Korea Baidu domain name, showing Baidu in the short term and no "touch" the Korean market intention.
Sohu It in Asia multinational domain name registrars asiaregistry (Australia) website inquires, as of March 26, Baidu Company's three possible Kore
I. Description of the procedureThis procedure is to read the red Mansions TXT file----use Jieba for Word segmentation----Read the number of names by counter and sort----use matplotlib to visualize the resultsThe statistics here in addition to the "Hee Fung" appeared in the number of "chicken sister" and there is no other treatment, but should also generally reflect the number of people mentionedSecond, the implementation results showBar chart:Pie char
Label:The common MySQL show commands are as follows:1, show databases; Show all databases in MySQL2, show tables [from databases]; Displays the names of all tables in the current database3, Show columns from tables; Displays the
Programmers may encounter invalid oracleurl when connecting to Oracle. The following small series will teach you how to view the Instance name method in oracle to help you solve this problem. Oracle displays the instance names in two configuration files: listener. ora and tnsnames. ora. Path: D: Oracle9i_9.2networkadmin,
Programmers may encounter Oracle url invalid issues when connecting to oracle. The following small series will teach you how to vie
IDC Commentary Network (idcps.com) December 02 reported: According to Webhosting.info latest data show, in the 3rd week of November, the world's top five high-level domain names have risen to 136,206,533, a net increase of 7,316, the chain last week, Rose. Among them,. The success of COM and. org domain names has risen, and the. Info drop is most pronounced.650)
Linux rename command usage (suitable for modifying file names in large batches), linuxrename
Rename command usage in Linux (suitable for modifying file names in large batches)
When watching laruence's Private food, I ran into the mv command, which allowed me to change the file name. There is also a command called rename. Laruence asked man to help with the query. The results
the internal MySQL running data, in fact processlistis a table in the information_schema database, the way to look up the table is sure to be possible: SELECT user, host, time, command, time from [mysql| Information_schema].processlistwhere user = ' me ' and state are not NULL, and a few details of the MySQL show command are available for review: show tables or Show
Tag:dbninnoatt matching lob colerrtempble Based on my use of MySQL, the commonly used MySQL show statements are listed as follows: 1.show databases; Displays the name of all databases in MySQL 2.show tables [from database_name]; Displays the names of all tables in the current database 3.
Original works, from the "Blue Blog" blog, Welcome to reprint, please be sure to indicate the following sources, otherwise, the legal responsibility to pursue copyright.Deep Blue Blog:http://blog.csdn.net/huangyanlong/article/details/45476569Mode one: Temporarily modify the host nameGrammar:#hostname Cases:[Email protected]/]# hostname hyltest[[email protected]/]# su-last Login:sun May Mode two: command to modify host nameGrammar:#hostnamectl Set-hostname View Hostnamectl Command Help[Email pro
This article describes how to use php to obtain mysql field names and other information. For more information, see the following SQL statement:
The code is as follows:
Show databases // list MySQL Server DATABASES.Show tables [FROM db_name] // Lists Database data TABLES.Show create tables tbl_name // export the data table structure.Show table status [FROM db_name] // lists data tables and table status inf
In a Linux system, find and grep are powerful commands that can do many things, and today it's just someone who asks "How to find which files contain specific strings and display the names of those files".The first method: use grep, assuming that all the. cpp files contain an ' open ' string, and if so, display the file with the following command:Grep-rl ' open '. --include=*.cppThe execution results are as follows:./test/testall/file.cpp./test/testal
and number mixing correct way)
The CSS naming rules that begin with the English letter or the Pure English letter in this way are correct and do not result in invalid method rules for CSS properties.
The following is the wrong CSS selection pseudo class naming method (pure number name Select Pseudo class name, digit beginning and English alphabet mixed wrong way)
The CSS selection attribute class, which is named in this way, will cause the browser to not interpret and invalidate the CSS.
slide, hold down the SHIFT key, and click the last slide. If the slides are not contiguous, click the first slide, hold down the CTRL key, and click each slide title individually. Then click the Add button to copy the names to the slides in the custom show.
To rearrange slides in a custom show, select the slides you want to move and click the up or down arrows
1 /*2 * Used to traverse all property names and values of the specified object3 * object to be traversed by obj4 */ 5 functionAllprpos (obj) {6 //used to save all property names and values7 varProps = "";8 //Start Traversal9 for(varPinchobj) { Ten //Method One if(typeof(Obj[p]) = = "function"){ A Obj[p] (); -}Else{ - //p is the property name, Obj[p] is the valu
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