FAQ on MySQL

A defined point in any transaction is known as savepoint. SAVEPOINT is a statement in MySQL, which is used to set a named transaction savepoint with the name of the identifier. A savepoint in MySQL is a point within a transaction where you can roll back to if needed. It allows you to set a … Read more

If you want to display the current date and time, use: SELECT NOW(); If you want to display the current date only, use: SELECT CURRENT_DATE(); To display the current date and time in MySQL, you can use the NOW() function. Here’s the query: SELECT NOW(); This will return the current date and time in the … Read more

SELECT * FROM table_name LIMIT 0,20; To display the top 20 rows in MySQL, you can use the LIMIT clause in your query. Here’s the syntax: SELECT * FROM your_table_name LIMIT 20; Replace your_table_name with the name of your table from which you want to retrieve the top 20 rows. This query will retrieve the … Read more

NOW() command is used to show current year, month, date with hours, minutes, and seconds while CURRENT_DATE() shows the current year with month and date only. In MySQL, NOW() and CURRENT_DATE() are both functions used to retrieve the current date and time, but they return slightly different values: NOW(): This function returns the current date … Read more

You can a create maximum of 16 indexed columns for a standard table. In MySQL, you can create an index with up to 16 indexed columns. This means you can include up to 16 columns in a single index definition. However, keep in mind that creating an index with too many columns might not always … Read more