#Mysql insert into with select how to

The SELECT SQL statement is used to fetch rows from a database table. Here, we create a stored procedure with SELECT, INSERT, UPDATE, and DELETE SQL statements. Stored Procedure for Select, Insert, Update, Delete Then execute a SELECT SQL query to display all records of the table. We can add new rows using an INSERT INTO SQL statement. Create a Table in SQL CREATE TABLE employee Let's take a look at a practical example.

#Mysql insert into with select how to

We hope this article helped you to have a better understanding on the concept of INSERT SELECT FROM.Here, we will see how to create select, insert, update, and delete statements using stored procedures in SQL Server. In this article we learned how to insert data to a table making selections from one or more than one tables.

So, the rows have been added to registration_details successfully. Once the query is executed, we will look into the records of registration_details to make sure that we added the rows from more than one table. Also, note that sd and rs here are aliases for student_details and registration_status tables, respectively.

The above query is a bit complex as we want to make sure that the correct status of registration_flag is loaded, and hence we are matching the first_name and last_ name of both the tables student_details and registration_status. SELECT sd.student_no,sd.first_name,sd.last_name ,rs.registration_flagįROM student_details sd, registration_status rs INSERT INTO registration_details(student_no,first_name,last_name, registration_flag) Selecting first_name and last_name from student_details and registration_flag from registration_status of only those students who have ‘ Science‘ stream. We will now write a query in MySQL to get the data into registration_details from tables student_details and registration_status. SELECT * FROM student_details students_details SELECT * FROM registration_status Please note that we had truncated data from registration_details at the moment. We will use table registration_details to add the data from tables student_details and registration_status (already present in the database).ĭo a select * on all the three tables one by one to see what data is present in them.

Like adding rows into a table from a single table, we can also select data from multiple tables.Īgain, let us understand with the help of an example. MYSQL INSERT WITH SELECT: MULTIPLE TABLES Since our selection was based on a condition, only records satisfying the condition( students with stream_name ‘Science’ ) were added. Note that only the columns student_no, first_name and last_name have been added. Select * on registration_details table to view the added rows. SELECT student_no,first_name,last_name FROM student_details The example scenario is as follows: registration_details table requires students who belong to stream ‘Science.’The MySQL query will be : INSERT INTO registration_details(student_no,first_name,last_name ) We will proceed by adding rows to registration_details table, we are selecting a few columns (student_no, first_name, last_name) from student_details table. If we do a select * from registration_details, it shows that the table is empty. Registration_flag VARCHAR(10) DEFAULT 'ND', Now, let us create our new table registration_details. We can see there are 8 rows of data with five students having ‘Science’ stream. To see all the rows in student_details table we will do a SELECT * query on it. Student_details table has columns student_no, first_name, last_name and stream_name. MySQL Select where Count is greater than one.Looking for Something Search for: Search Recent Posts