What is "Serializable Transaction"?

What is "Serializable Transaction"?

In "New in dbExpress Drivers: Support for RAD Studio 11 Alexandria Release 2 and Microsoft OLE DB Driver for SQL Server 19"
https://blog.devart.com/new-in-dbexpres ... er-19.html

"Also, we added support for the serializable transaction."

What is "serializable transaction"?

Have about it example?

Thx.