Microsoft publishes SQL Server 2025 Release candidate with TLS 1.3, Ubuntu 24.04 support and many AI improvements. Reading processes are up to 50 times faster, but an important restriction remains ...

Here are the main differences in VARCHAR between SQL Server and PostgreSQL: In SQL Server, the 'N' in N'...' represents 'National Character Set' and is used to identify Unicode strings. The core ...

Everyone knows what the default database isolation level of MySQL is, right? Yes, it is RR. But why do major internet ...

The international standards do not impose any rules on these functions, so SQL statements using them are database-dependent and un-migratable. The problem is that those functions are very ...

SQL is a conventional database language that is used to maintain, create and recover relational database whereas PL/SQL, Procedural Language extension to SQL, it prolongs SQL and provides procedural ...