Click here to view and discuss this page in DocCommentXchange. In the future, you will be sent there automatically.

SQL Anywhere 12.0.0 (Français) » SQL Anywhere Server - SQL Usage » Using transactions and isolation levels


Primary key generation and concurrency

You will encounter situations where the database should automatically generate a unique number. For example, if you are building a table to store sales invoices you might prefer that the database assign unique invoice numbers automatically, rather than require sales staff to pick them.


Using a sequence to generate unique values