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 ...

How to Reindex SQL Tables. The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can ...

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.

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 ...