Useful tips for everyday
Why is inheritance better than composition? Prefer composition over inheritance as it is more malleable / easy to modify later, but do not use a…
How to use PostgreSQL join with array type? – Stack Overflow PostgreSQL JOIN with array type with array elements order, how to implement? This table…
How do I stop a SQL query from running? You can use a keyboard shortcut ALT + Break to stop the query execution. How do…
What is copy command PostgreSQL? In PostgreSQL, the SQL COPY command is used to make duplicates of tables, records and other objects, but it’s also…
When to use group by joins with aggregate functions? The same idea applies for MAX, SUM, AVG, and COUNT functions. Now let’s dig into some…
Does Azure SQL Database support replication? Transactional replication is a feature of Azure SQL Managed Instance and SQL Server that enables you to replicate data…
How does binary log file position work in MySQL? MySQL Replication using Binary Log File Position, as opposed to Global Transaction Identifiers (GTID), uses binary…
How to restore MySQL database using only.frm and.ibd files? Upload each .frm file, and then copy and paste these queries into the SQL command to…
How can I tell when a SQL Server user last logged in? Here’s a little script to help you out! SELECT MAX(login_time) AS [Last Login…
What is an example of a character set? Common examples of character encoding systems include Morse code, the Baudot code, the American Standard Code for…