Jun 21, 2016 · ALTER TABLE [dbo.table_name] ADD [Column_Name] BIT NOT NULL Default ( 0 ) Here is another way to add a column to an existing database table with a default value. A …

Jun 14, 2011 · 409 I would like to write a single SQL command to drop multiple columns from a single table in one ALTER TABLE statement. From MSDN's ALTER TABLE documentation...

83 Is it possible to add a column to a table at a specific ordinal position in SQL Server? For instance, our tables always have CreatedOn, CreatedBy, LastModifiedOn, LastModifiedBy …

Mar 9, 2009 · I am trying to change a column from a varchar(50) to a nvarchar(200). What is the SQL command to alter this table?

Mar 16, 2011 · Can you add a column to a table inserting it in between two existing columns in SQL Server without dropping and re-creating the table?

Sep 17, 2010 · My MS SQL Server will allow me to run "ALTER TABLE table_name ADD UNIQUE (column_name)" as many times as I want. If I then go into SQL Management Studio …

Jan 24, 2015 · I need to ALTER the data types of several columns in a table. For a single column, the following works fine: ALTER TABLE tblcommodityOHLC ALTER COLUMN …

Oct 6, 2017 · 9 The ALTER TABLE Statement The ALTER TABLE statement is used to add, delete, or modify columns in an existing table. SQL ALTER TABLE Syntax To add a column in …

Jul 8, 2016 · Can anyone tell me where is the mistake in the following query ALTER TABLE Countries ADD ( HasPhotoInReadyStorage bit, HasPhotoInWorkStorage bit, …

Oct 6, 2008 · 155 If I wish to simply rename a column (not change its type or constraints, just its name) in an SQL database using SQL, how do I do that? Or is it not possible? This is for any …