Answer by Ste Bov for How to add a column with a default value to an existing...
This has a lot of answers, but I feel the need to add this extended method. This seems a lot longer, but it is extremely useful if you're adding a NOT NULL field to a table with millions of rows in an...
View ArticleAnswer by Arun D for How to add a column with a default value to an existing...
You can use this query:ALTER TABLE tableName ADD ColumnName datatype DEFAULT DefaultValue;
View ArticleAnswer by Ananda G for How to add a column with a default value to an...
Well, I now have some modification to my previous answer. I have noticed that none of the answers mentioned IF NOT EXISTS. So I am going to provide a new solution of it as I have faced some problems...
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Answer by Laxmi for How to add a column with a default value to an existing...
First create a table with name student:CREATE TABLE STUDENT (STUDENT_ID INT NOT NULL)Add one column to it:ALTER TABLE STUDENT ADD STUDENT_NAME INT NOT NULL DEFAULT(0)SELECT * FROM STUDENTThe table is...
View ArticleAnswer by Mohit Dagar for How to add a column with a default value to an...
This can be done by the below code.CREATE TABLE TestTable (FirstCol INT NOT NULL) GO ------------------------------ -- Option 1 ------------------------------ -- Adding New Column ALTER TABLE TestTable...
View ArticleAnswer by Sandeep Kumar for How to add a column with a default value to an...
ALTER TABLE tbl_table ADD int_column int NOT NULL DEFAULT(0)From this query you can add a column of datatype integer with default value 0.
View ArticleAnswer by usefulBee for How to add a column with a default value to an...
If the default is Null, then:In SQL Server, open the tree of the targeted tableRight click "Columns" ==>New ColumnType the column Name, Select Type, and Check the Allow Nulls CheckboxFrom the Menu...
View ArticleAnswer by Jeevan Gharti for How to add a column with a default value to an...
IF NOT EXISTS ( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME ='TABLENAME' AND COLUMN_NAME = 'COLUMNNAME')BEGIN ALTER TABLE TABLENAME ADD COLUMNNAME Nvarchar(MAX) Not Null defaultEND
View ArticleAnswer by Chiragkumar Thakar for How to add a column with a default value to...
Add a new column to a table:ALTER TABLE [table]ADD Column1 DatatypeFor example,ALTER TABLE [test]ADD ID IntIf the user wants to make it auto incremented then:ALTER TABLE [test]ADD ID Int IDENTITY(1,1)...
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Answer by Tony L. for How to add a column with a default value to an existing...
This can be done in the SSMS GUI as well. I show a default date below but the default value can be whatever, of course.Put your table in design view (Right click on the table in...
View ArticleAnswer by Chanukya for How to add a column with a default value to an...
SQL Server + Alter Table + Add Column + Default Value uniqueidentifier...ALTER TABLE [TABLENAME] ADD MyNewColumn INT not null default 0 GO
View ArticleAnswer by Naveen Desosha for How to add a column with a default value to an...
SQL Server + Alter Table + Add Column + Default Value uniqueidentifier ALTER TABLE Product ADD ReferenceID uniqueidentifier not null default (cast(cast(0 as binary) as uniqueidentifier))
View ArticleAnswer by Mohit Tamrakar for How to add a column with a default value to an...
Example:ALTER TABLE tes ADD ssd NUMBER DEFAULT '0';
View ArticleAnswer by Gabriel L. for How to add a column with a default value to an...
If you want to add multiple columns you can do it this way for example:ALTER TABLE YourTable ADD Column1 INT NOT NULL DEFAULT 0, Column2 INT NOT NULL DEFAULT 1, Column3 VARCHAR(50) DEFAULT 'Hello'GO
View ArticleAnswer by Jakir Hossain for How to add a column with a default value to an...
Try thisALTER TABLE ProductADD ProductID INT NOT NULL DEFAULT(1)GO
View ArticleAnswer by Catto for How to add a column with a default value to an existing...
To add a column to an existing database table with a default value, we can use:ALTER TABLE [dbo.table_name] ADD [Column_Name] BIT NOT NULLDefault ( 0 )Here is another way to add a column to an existing...
View ArticleAnswer by andy for How to add a column with a default value to an existing...
Example:ALTER TABLE [Employees] ADD Seniority int not null default 0 GO
View ArticleAnswer by Evan V for How to add a column with a default value to an existing...
ALTER TABLE MYTABLE ADD MYNEWCOLUMN VARCHAR(200) DEFAULT 'SNUGGLES'
View ArticleAnswer by Christo for How to add a column with a default value to an existing...
Alternatively, you can add a default without having to explicitly name the constraint:ALTER TABLE [schema].[tablename] ADD DEFAULT ((0)) FOR [columnname]If you have an issue with existing default...
View ArticleAnswer by adeel41 for How to add a column with a default value to an existing...
The most basic version with two lines onlyALTER TABLE MyTableADD MyNewColumn INT NOT NULL DEFAULT 0
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