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ALTER TABLE MY_TABLE ALTER COLUMN STAGE INT NOT NULL. GO. Another option is to specify correct default value for your column: ALTER TABLE MY_TABLE ADD STAGE INT NOT NULL DEFAULT '0'. UPD: Please note that answer above contains GO which is a must when you run this code on Microsoft SQL server.
You can specify NULL in ALTER COLUMN to force a NOT NULL column to allow null values, except for columns in PRIMARY KEY constraints. You can specify NOT NULL in ALTER COLUMN only if the column contains no null values. The null values must be updated to some value before the ALTER COLUMN NOT NULL is allowed, for example:
6 Ιουν 2023 · ALTER TABLE Temp ADD NewColumn INT NULL CONSTRAINT DF_Temp_NewColumn DEFAULT 100 WITH VALUES /* or NOT NULL if desired*/ Then you don't need any separate update statement referencing this column so no compile issues.
25 Σεπ 2024 · You can set a default by using the Object Explorer, or by executing Transact-SQL. If you don't assign a default value to the column, and the user leaves the column blank, then: If you set the option to allow null values, NULL is inserted into the column.
6 Αυγ 2019 · SQL Prompt will warn you if it detects code that will attempt to add a NOT NULL column to an existing table, without specifying a default value. I’ll demonstrate these problems and then show you how to develop build scripts that apply these sorts of alterations.
SQL Server allows you to perform the following changes to an existing column of a table: Modify the data type. Change the size. Add a NOT NULL constraint. Modify column’s data type. To modify the data type of a column, you use the following statement: ALTER TABLE table_name . ALTER COLUMN column_name new_data_type(size);
24 Μαΐ 2013 · ALTER TABLE MyTable. ADD MyCol BIT. CONSTRAINT MyConstraint DEFAULT 1 NOT NULL. The error I get is: Msg 9002, Level 17, State 4, Line 2. The transaction log for database 'my_db' is full. To find out why space in the log cannot be reused, see the log_reuse_wait_desc column in sys.databases. If I execute. SELECT log_reuse_wait_desc, * .
