Describe the update query found in Ms Access
In Microsoft Access, the UPDATE query is used to modify existing records in a table. The general syntax for an UPDATE query in Access is:
UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition;
In this syntax:
- "table_name" is the name of the table where you want to update records.
- "column1", "column2", etc. are the names of the columns you want to update.
- "value1", "value2", etc. are the new values you want to set for the specified columns.
- "WHERE condition" is an optional clause that specifies which records should be updated based on certain criteria. If you omit this clause, all records in the table will be updated.
For example, suppose you have a table named "Employees" with columns "FirstName" and "LastName", and you want to update the last name of all employees whose first name is "John" to "Doe". The UPDATE query would be:
UPDATE Employees
SET LastName = 'Doe'
WHERE FirstName = 'John';
After running this query, all records in the Employees table with the first name "John" will have their last name updated to "Doe".