Which of these measures would not secure data in database?

Data integration, as it is not a security measure. Data integration refers to the process of combining data from different sources and presenting it as a unified view. Encryption, Personal Identification Number, and username and passwords are all security measures used to protect data in a database. Encryption is the process of converting data into a code to prevent unauthorized access, while Personal Identification Number and username and passwords are used for authentication and access control.