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21.4. INFORMATION_SCHEMA

21.4.1. 查詢表欄位

			
SELECT 
    GROUP_CONCAT(COLUMN_NAME) AS fields
FROM
    INFORMATION_SCHEMA.Columns
WHERE
    table_name = 'mytable'
        AND table_schema = 'test';
			
			

21.4.2. 列出所有觸發器

			
select trigger_schema, trigger_name, action_statement from information_schema.triggers

select * from information_schema.triggers where information_schema.triggers.trigger_schema like '%test%';			
			
select * from information_schema.triggers where information_schema.triggers.trigger_name like '%trigger_name%' and information_schema.triggers.trigger_schema like '%data_base_name%';