Jun 21, 2016 · 1231 ALTER TABLE Protocols ADD ProtocolTypeID int NOT NULL DEFAULT(1) GO The inclusion of the DEFAULT fills the column in existing rows with the default value, so the NOT NULL …

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 a table, use the …

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?

Oct 25, 2016 · ALTER TABLE person add [AdminApproved] BIT default 'FALSE'; Also there are other mistakes in your query When you alter a table to add column no need to mention column keyword in …

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 database …

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 columns at the "end" of …

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...

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 …

I have a foreign key constraint in my table, I want to add ON DELETE CASCADE to it. I have tried this: alter table child_table_name modify constraint fk_name foreign key (child_column_name)

I want to alter a table column to be nullable. I have used: ALTER TABLE Merchant_Pending_Functions Modify NumberOfLocations NULL This gives an error at Modify. What ...