MySQLInnerJoin–UpdateValuesFromAnotherTable_MySQL_动视

MySQLInnerJoin–UpdateValuesFromAnotherTable_MySQL

2020-11-09 20:01:15 责编:小采

Introduction

In this post, we’re going to learn how to update amysql tablecolumn with the values from another table column usinginner join.

UPDATE [table1_name] AS t1 INNER JOIN [table2_name] AS t2 ON t1.[column1_name] = t2.[column1_name] SET t1.[column2_name] = t2.[column2_name];

Replace all “[ ]” with the values of your table properties.

[table1_name] – This is the name of the table which you’re going to update which is represented as t1

[table2_name] – This is the table, from which your’re going to take the values which is represented as t2

t1.[column1_name] – This is the column which is going to link two tables (t2.[column1_name]) using inner join

t1.[column2_name] – This is the column which is going to be updated with the values from t2.[column2_name]

UPDATE student_marks AS t1 INNER JOIN student_profile AS t2 ON t1.student_id = t2.student_id SET t1.student_name = t2.student_name;

I hope this helps you. Share this post and comment your doubts below if you have any.

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