ExpertRefresh

Select search

Query

Order by rand
Concat fields
Select search
Regexp
If null
Union
Using syntax


0.0% 100%
0 pages 33 questions
How do you search an interval?






Between SELECT 2 BETWEEN 1 AND 3, 1 BETWEEN 2 AND 3; // 1, 0 Get duplicates SELECT *, COUNT(video_id) FROM video_thumb GROUP BY video_id HAVING ( COUNT(video_id) > 1 ); Find tables by column name SELECT DISTINCT TABLE_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE COLUMN_NAME IN ('myphone') AND TABLE_SCHEMA='mydb'; // output: mytable Find position in array SELECT FIND_IN_SET('b','a,b,c,d'); //2