Ora Training Blog

Oracle PL/SQL Quick Reference   PL/SQL Block Structure DECLARE –Optional   –Variables, Cursors, User-defined exceptions BEGIN –Mandatory   –SQL statements   –PL/SQL statements EXCEPTION –Optional   –Actions to perform when errors occur END; –Mandatory

Oracle SQL Tuning Tips consideration when writing an SQL statement is that it returns a correct result. The second is that it be the most efficient for a given situation.  You can use many different SQL statements to achieve the same result. It is often the case that only one statement will be the most […]

Using SQL*Plus SQL*Plus is a command-line tool that provides access to the Oracle RDBMS. SQL*Plus enables you to: Enter SQL*Plus commands to configure the SQL*Plus environment Startup and shutdown an Oracle database Connect to an Oracle database Enter and execute SQL commands and PL/SQL blocks Format and print query results SQL*Plus is available on several […]