NexusDB

This section describes the way in which database transactions are implemented in NexusDB. Any such discussion must embrace a large terminology.  To ensure consistency in terminology, we begin with a short section, independent of NexusDB, of database transactions and deadlocks.  The importance of locks (record, table and database) is considered in the context of not only ensuring the most efficient use of transactions, but also to help minimize the occurrence of deadlock situations.  It's important to mention the different types of locks available and how they are granted by the database engine: