
Here is how to update a column based on another column in SQL Server, MySQL, PostgreSQL.
Sometimes you may need to store string with single quote, double quote, backticks and special characters. Here is how to escape single quote, special characters in MySQL.
Here is how to change column from NULL to NOT NULL in SQL Server, MySQL, PostgreSQL using ALTER TABLE statement.
MySQL allows you to store JSON data, insert JSON string into MySQL, and extract JSON. Here is how to store JSON data in MySQL.
Sometimes you may need to compare null values in MySQL. Here is how to compare null values in MySQL for Null Comparison.
Auto increment column automatically increases on adding new rows. Here’s how to ad auto increment column in existing table in MySQL.
Database design tools allow you to design database schema, and simplify database administration. Here are the top free database design tools for your business.
MySQL Replication Configuration – here are the steps to replicate MySQL database to another server. Copy MySQL database from one sever to another.
MySQL allows SSL/TLS connections with SSL certificate. Here is how to enable SSL/TLS for MySQL for Ubuntu.
Sometimes you may need to copy table in MySQL or clone table in MySQL. Here’s how to copy table in MySQL.