Oct 6, 2008 · 154 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 …

Dec 18, 2015 · FOR MSSQL : EXEC sp_rename 'TABLENAME.OLD_COLUMNNAME', 'NEW_COLUMNAME', 'COLUMN'; FOR MYSQL : Use ALTER TABLE to do this ALTER …

Apr 30, 2013 · I am using SQL Server 2008 and Navicat. I need to rename a column in a table using SQL. ALTER TABLE table_name RENAME COLUMN old_name to new_name; This …

I've a table Amount, having a column name amount_id which i want to change and update into account_id I am using sp_rename function but i dont know how exactly i can change it EXEC …

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?

SELECT * from history WHERE id is NULL <---- This shows 0 results ALTER TABLE history ALTER COLUMN id int NOT NULL ALTER TABLE history ADD PRIMARY KEY (id) ALTER …

Jun 17, 2010 · How can I rename a column via alter table in MS SQL 2005? For example: alter table tablename rename "old col name" to "new col name"

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 …

MySQL / SQL Server / Oracle / MS Access: ALTER TABLE Persion ADD PRIMARY KEY (PersionId,Pname,PMID); or the better one below ALTER TABLE Persion ADD CONSTRAINT …

In SQL Server, I have a new column on a table: ALTER TABLE t_tableName ADD newColumn NOT NULL This fails because I specify NOT NULL without specifying a default constraint.