It is quite simple to create user define Aggregate function in Oracle.For creating a user define aggreagte function, we need - Object type specification Object type body PL/SQL aggregate function So armed with all these information, we can now create our own aggregate function that will perform...
PL/SQL – Complex Queries (Job Interviews)(srinimf.com) PL/SQL – Difficult Questions(srinimf.com)
I’m going to run a Query, that takes an input value, and then goes ‘to sleep’ for a few seconds. PLSQL --23ai example-- dbms_session.sleep replaces dbms_lock_sleep;create or replacefunction takes_awhile (xininteger)returnBOOLEANISBEGINdbms_session.sleep(x);returntrue;EXCEPTIONwhenot...
in which we can create the variable and that variable we can use in different subprograms as per our requirement. Consider if we want to access bind variables in PL/SQL from SQL*Plus. So at that time, first we need to create the bind variable in...
to secure intellectual property written in PL/SQL is weak I also felt it was intriguing that Oracle has made it "easy" for anyone to understand how to recover source code in 9i and lower I also find it interesting that Oracle has shipped API's since the beginning of PL/SQL ...
TSQL (SQL Server's SQL dialect) to PL/pgSQL (PostgreSQL's SQL dialect). The trigger in ...
PostgreSQL allows you to create 4 types of stored functions (or procedures): query language functions (SQL) procedural language functions (PL/pgSQL or PL/Tcl) internal functions C-language functions For further information, please visit PostgreSQL online manual, chapter User-Defined Functions. ...
Using the Oracle Application Express development environment, you can quickly build an application that enables a user to view and update information stored in an Oracle Database.This tutorial describes how to create and deploy an application that tracks the assignment, status, and progress of ...
On theCreate Action - Groovy Scriptpage, click the plus sign next to theMethod Namefield. The Create Object Function page displays. Enter a name for the function. Selectvoidin theReturnsfield. SelectCallable by External Systemsin theVisibilityfield. ...
Build scripts –for every version there should be a source script that can be run to create the database at that version. Version control –the means by which the database was originally created at that version must be archived in version control. A‘model’ of every version of the data...