Answers for "mysql select specific column in 2 tables"

SQL
1

get table which have specific columns in mysql

SELECT DISTINCT TABLE_NAME 
    FROM INFORMATION_SCHEMA.COLUMNS
    WHERE COLUMN_NAME IN ('columnA','ColumnB')
        AND TABLE_SCHEMA='YourDatabase';
Posted by: Guest on April-09-2020
1

how to select multiple columns from different tables in mysql

-- MySQL 
-- t1 = table1
-- dt2 = column of table
SELECT t1.dt2, t2.dt4, t2.dt5, t2.dt3 #get dt3 data from table2
FROM table1 t1, table2 t2 -- Doesn't need to have t1, or t2
WHERE t1.dt2 = 'asd' AND t2.dt4 = 'qax' AND t2.dt5 = 456
Posted by: Guest on July-22-2020

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