ORATraining Blog

Many of you would have noticed that while launching forms from Oracle Applications 11.5.10 using Internet Explorer (IE 7) then it might crash with following error. Though it may work perfectly fine in mozilla firefox. This is the working fix for the issue. Solution-1: 1) Take backup of jvm.dll located at c:\Program Files\Oracle\JInitiator 1.3.1.21\bin\hotspot directory. [...]

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 Quick Reference SELECT Query Statement SELECT [DISTINCT] {*, column [alias],…} FROM table WHERE condition(s)] ORDER BY {column, exp, alias} [ASC|DESC]] NOTE: Avoid using DISTINCT with large table as it first does sorting of all the rows and then eliminates duplicate rows, so need a full table scan and thus it’s very slow. ORDER [...]

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 [...]