SQL commands are sets of instructions, coded into SQL statements, which are then used to communicate with a database to perform specific tasks, work, functions and queries. Learn more about this in this blog.
SQL databases are becoming more and more popular. When it comes to
report building and data analysis SQL is the most common database language used
MySQL supports using single quotes, double quotes and backticks. Here is when to use single quotes, double quotes and backticks in MySQL.
Inner join and outer join are useful to join database tables in SQL. Here is the difference between inner join and outer join in SQL.
MySQL does not support full outer joins. Here is how to do a full outer join in MySQL.
Row number is very useful in ranking and sorting. Here is how to get row_number in MySQL.
Sometimes you may need to get data for every hour, or retrieve hourly data in MySQL. Here is how to get data for every hour in MySQL.
It is useful to fetch last 1 hour rows or retrieve last 1 hour records. Here is how to get last 1 hour data in MySQL.
Sometimes you may need to find rows not present in another table or select rows not present in another table. Here is how to show rows not present in another table in MySQL.
It is useful to get current week records or fetch this week records in MySQL. Here is how to get current week data in MySQL.