oracle

In Oracle, it is possible to get a database server host name using a simple SQL query. In this note i will show how to SELECT the Oracle database server host name you’re currently connected to, using the SQL query that doesn’t require any special permissions. I will also show how to get the database […]

Tables are the basic unit of data storage in Oracle databases. In this note i will show how to list all tables in an Oracle database (equivalent to SHOW TABLES command in MySQL) using the command-line interface of SQL*Plus. I will also show how to list only tables owned by the current user, show the […]

Oracle has no databases but schemas and users (that are essentially the same thing). The schema/user in Oracle can be considered as an equivalent to a “database” concept in MySQL, PostgreSQL or MS SQL. In this note i will show how to list all Oracle “databases” (equivalent to SHOW DATABASES command in MySQL), get the […]