Is there something like SHOWCHARACTERSETFORmydatabase; and SHOWCHARACTERSETFORmydatabase.mytable; and SHOWCHARACTERSETFORmydatabase.mytable.mycolumn; 参考: http://stackoverflow.com/questions/1049728/how-do-i-see-what-character-set-a-database-table-column-is-in-mysql...
MySQL provides valuable metadata aboutdatabasesand tables. For example, if a database's system memory runs out, checking the database or table size helps identify where thestorageis particularly overwhelmed. This article provides three methods to check the size for all MySQL databases, a single da...
This article will teach you how to usemysqli_queryto describe a database table. We’ll do the description using theDESCRIBEcommand in SQL. At the same time, we’ll print the result, and it’ll look like what you’ll see on the MySQL console. ...
A good approach would be to use the information_schema database (which is supported since MySql 5.0, seehttp://dev.mysql.com/doc/refman/5.0/en/information-schema.html) For example to read all the column data (data type, length, precision, etc.) from the table test2, you will use the...
#1)Open MySQL Workbench for Executing the “Create Database” query. #2)To see the output of the executed query, press the “Refresh” button (as highlighted in the image below). This will result in showing up of the new database under the Schemas. Also, note the information under the...
To check the sizes of all of the tables in a specific database, at the mysql> prompt, type the following command. Replace database_name with the name of the database that you want to check: CopySELECT table_name AS "Table", ROUND(((data_length + index_length) / 1024 / 1024), 2...
Create a MySQL Database Create Tables in MySQL Database Now you need to select the database to work on: use tecmint; Here we will create a table called “minttec” with three fields: CREATE TABLE minttec ( id INT(3), first_name VARCHAR(15), ...
As you can see, all the information regarding each and every column in now displayed in front of us. This is how we can easily get the table structure with column definition in MYSQL with the help ofDESCRIBEstatement. How to create and select a MySQL database?
MySQL table optimization rearranges data inside a database table. It helps free up unused space and improve query speeds. Note:For additional performance tuning techniques, seeHow to Improve MySQL Performance with Tuning. When Should You Optimize MySQL Tables?
Doing a table dump in terminal can be daunting. Especially if you are keeping track of Unix binaries or usage logs. I keep a copy of phpMyAdmin on my dev box for looking through the tables via a web browser. You can execute queries or mysql operations via the GUI and have the mysql ...