What are Reserved Words?

What are Reserved Words?

Reserved words in MySQL are predefined keywords that have specific purposes and meanings within the database system. These words are reserved for MySQL to perform various operations, such as defining data structures, manipulating data, and executing queries. It’s crucial to note that reserved words cannot be used as identifiers, such as table or column names unless enclosed in backticks (`) to differentiate them from reserved words....

Reserved Words in MySQL

Here are some commonly used reserved words in MySQL and their meaning....

How to Use Reserved Words as Identifiers

Suppose you have used reserved keywords as identifiers, then it will return the syntax error. For using reserved words as identifiers, it should be enclose in backticks(`). MySQL understands that it should be treated as a user-defined identifier rather than a reserved word....

Inserting Data into the Table

Let’s insert some data in this table and fetch the data....

Fetching Data from the Table

Now let’s fetch the data from this table. As we have used reserved words as identifiers in our table, we have to enclose them in backticks if we want to use them as identifier. Let’s implement this using a query where we use both reserved words and reserved words as identifiers....

Conclusion

These reserved words are integral to MySQL’s functionality, acting as predefined commands that dictate how data is stored, retrieved, and manipulated. Using these words appropriately ensures that your SQL queries execute correctly and maintain the integrity of your database operations. Staying informed about MySQL’s reserved words and best practices will facilitate smoother development processes and more robust database systems....