资讯

SQL lets you use one command to quickly create a new table containing a subset of records from a larger table while working in Access. Sound complicated? It's not, as Mary Ann Richardson shows us.
I'm using Postgres. My table is as follows: I have a candidate key using columns A-E. This is too many, but column A is very helpful to keep in each table that references it, so I want to generate ...
With the introduction of Oracle compatibility in MariaDB Server 10.3, it's now possible to use Oracle PL/SQL and Oracle sequences in an open source database - making it easier for DBAs and developers ...