How do you update multiple values in a single update statement?

How do you update multiple values in a single update statement?

There are a couple of ways to do it. INSERT INTO students (id, score1, score2) VALUES (1, 5, 8), (2, 10, 8), (3, 8, 3), (4, 10, 7) ON DUPLICATE KEY UPDATE score1 = VALUES(score1), score2 = VALUES(score2);

Can we insert multiple values to a table at a time?

Answer. Yes, instead of inserting each row in a separate INSERT statement, you can actually insert multiple rows in a single statement.

How do you update a column with multiple values in SQL?

In case you want to update data in multiple columns, each column = value pair is separated by a comma (,). Third, specify which rows you want to update in the WHERE clause. The WHERE clause is optional. If you omit the WHERE clause, all rows in the table will be updated.

How do I have multiple values in one row in SQL?

Here is the example.

1. Create a database.
2. Create 2 tables as in the following.
3. Execute this SQL Query to get the student courseIds separated by a comma. USE StudentCourseDB. SELECT StudentID, CourseIDs=STUFF. ( ( SELECT DISTINCT ‘, ‘ + CAST(CourseID AS VARCHAR(MAX)) FROM StudentCourses t2. WHERE t2.StudentID = t1.StudentID.

How to add multiple rows at a time in SQL?

In the previous tutorial, you have learned how to add one row at a time to a table by using the INSERT statement. To add multiple rows to a table at once, you use the following form of the INSERT statement: INSERT INTO table_name (column_list) VALUES (value_list_1), (value_list_2),… (value_list_n);

How to update multiple rows with same ID?

There are other columns in both the tables and not all id values in Table1 might be there in Table2 and vice versa. Those other rows and columns I don’t want to touch or alter.

When to insert on duplicate update in MySQL?

If you specify ON DUPLICATE KEY UPDATE, and a row is inserted that would cause a duplicate value in a UNIQUE index or PRIMARY KEY, MySQL performs an UPDATE of the old row.

How to update a table in SQL Server?

And then we’ll make use of SQL Server’s ability to update Table1 via a derived table definition: And here’s a SQL Fiddle for the above.