Mysql export data dictionary

• Mysql database export data dictionary:

SELECT
	TABLE_SCHEMA as 'database name',
	TABLE_NAME as 'table field name',
	COLUMN_NAME as 'column field name',
	COLUMN_TYPE as 'column field type',
	COLUMN_KEY as 'field constraint type',
	EXTRA as 'Field auto increment',
	IS_NULLABLE as 'is it empty',
	COLUMN_COMMENT as 'Field Description'
FROM
	information_schema. COLUMNS
WHERE
	TABLE_SCHEMA = 'database_name';

• Mysql queries the database table name (table_name) where a column name (column_name) is located

SELECT TABLE_SCHEMA,TABLE_NAME FROM information_schema.`COLUMNS` WHERE COLUMN_NAME = 'column_name';

• Maven command to build a web project

mvn archetype:generate -DgroupId=com.luna.common -DartifactId=common -DarchetypeArtifactId=maven-archetype-webapp -DinteractivMode=false

• Maven command to build Java project

mvn archetype:generate -DgroupId=cn.luna.app -DartifactId=my-app -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false