TEXT data type in SQL Server is used to store large amounts of text data.
It is typically used to store documents, articles, or other text-based content that exceeds the maximum length allowed by other data types such as
In SQL Server, the
TEXT data type is considered a Large Object (LOB) data type, along with the NTEXT and IMAGE data types. The maximum storage capacity of a TEXT column is 2^31-1 (2,147,483,647) bytes, which is equivalent to approximately 2 GB of data.
The syntax for creating a column with the TEXT data type in SQL Server is as follows:
CREATE TABLE table_name (
To insert data into a TEXT column, you can use the
INSERT INTO table_name (column_name)
VALUES ('large amount of text data');
You can also update existing data in a TEXT column using the
SET column_name = 'updated text data'
When retrieving data from a TEXT column, you can use the
However, it's important to note that querying a
TEXT column can be slower than querying a column with a smaller data type, as it requires more processing power to handle large amounts of data. Additionally, TEXT columns cannot be used in indexes or as a part of a primary or foreign key constraint.
In conclusion, the
TEXT data type in SQL Server is a useful tool for storing large amounts of text data, but it should be used with caution due to its potential performance implications.