Apr 13, 2012 · With Row Compression, your fixed size columns can use only the space needed by the smallest data type where the actual data fits. When table is compressed at ROW level, …

Apr 2, 2025 · You can increase the length of a VARCHAR column without losing existing data in SQL Server. All you need to do is execute the following ALTER TABLE statements. Though, …

In this tutorial, you will learn how to use the SQL Server ALTER TABLE ALTER COLUMN statement to modify a column of a table.

Mar 22, 2025 · The syntax for updating the length of an existing column in SQL Server is straightforward. You use the ALTER TABLE statement with the ALTER COLUMN clause to …

Mar 5, 2019 · CAST(ISNULL((select TOP 1 1 from sys.foreign_key_columns AS colfk where colfk.parent_column_id = clmns.column_id and colfk.parent_object_id = clmns.object_id), 0) …

Jan 25, 2021 · A possibility could be to add a new column, copy data over, add a unique index on the new column, retarget all foreign keys to refer to this column, drop the primary key, drop the …

May 25, 2018 · By “changing the size of an existing column”, I mean changing the data size. For example, say you have a varchar(255) but you want to increase its size to varchar(500). …

Jan 12, 2012 · ALTER TABLE YourTable ALTER COLUMN YourColumn VARCHAR (500) NULL; This behaviour is different from that used for new columns created with ALTER TABLE (or at …

Jul 18, 2013 · SSMS will size the columns of the width for the data that is displayed on the first page in the grid. To expand the size for the rows you are currently looking at, you can double …

You can just drag the column's subfolder from the object explorer into the editor and the columns will be added as a list.