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?
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.
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_nameis 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.
Let's say we have a table named
Employee with the following columns:
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.
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.
The following article includes a technique for reliably undoing an
INSERT INTO ... SELECT ... FROM ... query: