Hi,I'm in the process of building a SQL clean-up script that will be removing lots of now redundant data from our Oracle DB.It seems that for tables which contain a FK pointing back to themselves ...

Classic Oracle tables with 4 departments and 14 employees. Includes a join query example. Script Name : EMP and DEPT Description : Sample EMP and DEPT tables. Classic Oracle tables with 4 departments ...

PostgreSQL semantic of temporary tables is substantially different from that of Oracle. Oracle temporary tables are permanent, so their structure is static and visible to all users, and the content is ...

Reference tables are designed to support applications using a relational database management system like Oracle or Sybase. The information in these tables changes over the time. Although a separate ...

Three methods will be presented to copy Oracle database tables into SQLite: CSV exchange, ODBC database links, and PHP scripting. The CSV exchange can be done with existing tooling and a POSIX shell, ...

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 ...

Oracle, SQL Server, MySQL, Postgres, Sybase, Informix — programmers use the same language to retrieve data from all of these systems. SQL queries are written in an English-like syntax.