i need some help with a SQL alter command. i am trying to add a field to my table, but when i do the field is filled with null in any existing rows. how can i just make it fill blank like the value ...

I am using djongo 1.3.3 with Django 2.2.12 and with a docker container running MongoDB 4.4.1 on Windows 10. The project has the following INSTALLED_APPS section in settings.py: INSTALLED_APPS = [ ...

Sometimes we need to drop a column that we don't need further from the table. We can do this by using DROP keyword with ALTER command. Syntax: To drop/delete the column from a table, use the following ...

Oracle's namesake database management system has a data type called a CLOB, or Character Large OBject. Though the standard character data type, called CHAR, has a size limit of 2,000 characters, you ...