What are default values in databases?
An example of an AI chatbot conversation about default values in databases.
What are default values in databases?
Default values in databases are pre-defined values that are automatically assigned to a column when no value is provided during record insertion.
Can you give me an example of a default value?
Sure! For instance, if you have a column for 'status' in a user table, you might set the default value to 'active'. This means that if a new user is added without specifying a status, it will automatically be set to 'active'.
Why are default values important?
Default values help maintain data integrity and ensure that columns have meaningful data even when no input is provided.
What happens if I don't set a default value?
If you don't set a default value and a value isn't provided during insertion, it may result in a NULL value, which could lead to issues in data processing or analysis.
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