The "ALTER TABLE" is a SQL statement that allows you to make schema changes to a database table (i.e. add, drop or alter columns from an existing table).
I am using the following code to check if the temporary table exists and drop the table if it exists …
sql-server sql-server-2005 temp-tables alter-tableI have a table that has several nullable integer columns. This is undesirable for several reasons, so I am looking …
sql-server tsql null alter-table alter-columnI am using SQL Server 2008 and Navicat. I need to rename a column in a table using SQL. ALTER TABLE …
sql sql-server sql-server-2008 alter-tableI need to change the primary key of a table to an identity column, and there's already a number of …
sql sql-server alter-table identity-columnGiven the table created using: CREATE TABLE tbl_Country ( CountryId INT NOT NULL AUTO_INCREMENT, IsDeleted bit, PRIMARY KEY (CountryId) ) …
mysql ddl alter-tableHow to change the column size of the salary column in the employee table from numeric(18,0) to numeric(22,5)
sql sql-server database tsql alter-tableI am trying to change a column from a varchar(50) to a nvarchar(200). What is the SQL command to alter …
sql-server tsql type-conversion alter-tableHow do I rename a column in table xyz? The columns are: Manufacurerid, name, status, AI, PK, int I want …
mysql database alter-table mysql-error-1025As the title, I have an existing table which is already populated with 150000 records. I have added an Id column (…
sql-server sql-server-2008 primary-key alter-tableI wrongly named a column hased_password instead of hashed_password. How do I update the database schema, using migration …
ruby-on-rails ruby-on-rails-3 migration rename alter-table