5 Tips For Maintaining Data Integrity In PostgreSQL
For any blog, forum, social media site, social network or any other data driven site—data integrity is must NEVER be overlooked!
Data integrity must be maintained both by the server side script your using and the database it’s self.
Why care about your database’s ability to maintain the integrity of data that it stores? Good question. Theres a few reasons why you should look deep into it. First of all if your maintaining data in PostgreSQL you want to make sure that the correct data is being inserted and updated in the correct rows and columns. Second of all, private information as well as user information is at a greater risk of being crapped on by hackers and stupid people.
Here are some methods of insuring the data integrity of your database.
- ALWAYS use data types! (INT, TEXT, TIMESTAMP etc.)
- Use SERIAL for your primary keys, the equiv of AUTO_INCREMENT—MySQL
- Learn to use REFERENCES and Foreign Keys
- Use constraints
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(eg. CHECK user_id != friend_id) - Use PostgreSQL’s useful built in functions
With out a few basic steps taken to improve data integrity your database is vulnerable.
Hope this helps:)
Tags: data integrity, Database, open source, postgres, PostgreSQL, sql, sql optimization
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