How can the data in a table be modified in a database?

To make changes to the data within a table in a database, you can use the UPDATE command in SQL statements.

The syntax for the UPDATE command is as follows:

Update the table name by setting column 1 to value 1, column 2 to value 2, and so on, where the condition is met.

Among them, the table name refers to the name of the table where the data will be modified, column name refers to the name of the column to be modified, and value indicates the new value of the modified data. The condition is optional and is used to specify the rows of data to be modified.

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Suppose there is a table named “students” with columns: id, name, age, gender.

To change the name of the student with id 1 to “Tom” and their age to 20, you can use the following SQL statement:

Update the students table, setting the name to “Tom” and age to 20, where the id is 1.

After executing the SQL statement above, the name of the student with id 1 in the table will be changed to “Tom” and the age will be changed to 20.