HackerKernel Junior Backend Developer Interview Questions and Answers

The UPDATE query is used to modify existing data in a database table.

• The UPDATE query is followed by the name of the table and the SET keyword to specify the columns to be updated.

• The WHERE clause is used to specify the condition for updating specific rows.

• Multiple columns can be updated in a single UPDATE query.

• The UPDATE query can be used with various operators like =, +, -, *, /, etc.

• Example: UPDATE employees SET sa