Now that you’re comfortable with many-to-many (M:N) relationships, don’t get complacent. Your database performance can often benefit from taking a relationship in a new direction--for example, by implementing the underused supertype-subtype model.
Are you dealing with national and international records? The more expansive your records are in territory, the more problems you will face when it comes to verifying addresses. Not only are you dealing with language differences, but you are also dealing with different address formatting for different countries....More
Your contact data is valuable, but is it up to its full potential? Without the proper maintenance, the quality of your data quickly decreases--so quickly that 50% of databases deteriorate after only two years. It is an absolute necessity to maintain your data in order to decrease costs and increase profits....More