![]() Let us update the new marks for Krish Star ( id =4) You can download sql dump of this table at the end of this tutorial.ĭownload the SQL dump of this table at the end of this page. We will use one more student table where we will store mark obtained by students in three subjects. Depending on the logic requirement OR combination can be added to the WHERE clause to UPDATE the records. This way we can continue with adding more AND combinations to the query. We have added two conditions by using AND as a logical operator. This will only change the records for which class=four and mark is more than or equal to 70. UPDATE student SET class='Five' WHERE class='Four' and mark >= 70 You may have to restore the original table by using the SQL dump of student table given above. We will promote those students only who has got more than or equal to 70 mark. We will change records for which class is equal to 'Four' and mark is more than 70. Now let us move one more step and change the records selectively based on some value in some other field. So this way we can update records selectively. This command will update only those records for which class is equal to 'Four'. In this MySQL Tutorial Point – We have learned a MySQL SELECT, INSERT INTO, UPDATE, DELETE query with syntax and example.Related Tutorial Replace part of data Appending string data No. In MySQL, You can use the following syntax for delete all records from databse table. WHERE id = 15 DELETE All Record From Table Example Here, we will delete/remove data into database table using DELETE AND WHERE Clause statement of MySQL. ![]()
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