Access 101: INSERT INTO ("Append") Query
In the world of Microsoft Access, queries are the workhorses that power your database.
They allow you to retrieve, manipulate, and analyze your data in various ways. Among the different types of queries, the INSERT INTO
query, also known as an "Append" query, holds a special place.
This type of query allows you to add new records to a table, making it a vital tool for managing your data.
What is an INSERT INTO Query?
An INSERT INTO
query, as its name suggests, is used to insert (or append) data into a table. This type of query is especially useful when you need to add multiple records to a table at once.
Basic Syntax
The basic syntax of an INSERT INTO
query in Access is as follows:
INSERT INTO table_name (column1, column2, column3, ...)
VALUES (value1, value2, value3, ...);
In this syntax:
table_name
is the name of the table where you want to insert data.column1, column2, column3, ...
are the names of the columns in the table where you want to insert data.value1, value2, value3, ...
are the values that you want to insert into the respective columns.
Example
Let's say we have a table named Employee
with the following columns: EmployeeID
, FirstName
, LastName
, and Position
. If we want to add a new employee to the table, we can use an INSERT INTO
query like this:
INSERT INTO Employee (EmployeeID, FirstName, LastName, Position)
VALUES (101, 'John', 'Doe', 'Manager');
This query will add a new record to the Employee
table with an EmployeeID
of 101, a FirstName
of 'John', a LastName
of 'Doe', and a Position
of 'Manager'.
INSERT INTO From Another Table
You can also use the INSERT INTO
query to insert data from one table into another. The syntax for this is slightly different:
INSERT INTO table1 (column1, column2, column3, ...)
SELECT columnA, columnB, columnC, ...
FROM table2
WHERE condition;
In this syntax, table2
is the name of the table from which you want to select data, and condition
is a condition that the records must meet to be selected. As with the VALUES
syntax, the order of the columns listed in the SELECT
clause must match up with those in the INSERT INTO
clause. The first column listed in the SELECT
clause will be inserted into the table at the first column listed in the INSERT INTO
clause.
The names of the columns need not match; only the order of the columns is important.
Conclusion
The INSERT INTO
query is a powerful tool in Access that allows you to add new records to your tables. Whether you're adding a single record or transferring data from one table to another, understanding how to use this type of query is essential for managing your data effectively.
Further Reading
The following article includes a technique for reliably undoing an INSERT INTO ... SELECT ... FROM ...
query: