In MySQL, a primary key is a unique identifier for each row in a table. It ensures that each record is uniquely identifiable and helps in enforcing data integrity. When you create a primary key on a column, MySQL automatically creates an index on that column to optimize the search and retrieval of data. Indexes … Read more
Normalization is the process of organizing data in a database in a way that minimizes redundancy and dependency, and thus improves data integrity. There are several levels of normalization, each of which has its own set of rules. To normalize a MySQL database, you can use the following steps: Once you have normalized your database, … Read more
The choice of whether to use a NoSQL or relational database depends on the specific needs of your application. Here are some factors to consider when making your decision: Here are some specific use cases for NoSQL databases: Here is a table that summarizes the key differences between NoSQL and relational databases: Feature NoSQL Relational … Read more
Optimising the performance of a relational database is crucial for ensuring efficient and responsive applications. Here are my top five checks you should focus on to improve the performance of your relational database: Bonus Tip: Caching: Implement caching mechanisms to store frequently accessed data in-memory. Caching can reduce the number of database queries and significantly … Read more