Important distinctions, PL-SQL Programming

Important Distinctions

The list of important distinctions are given below:

  • Value versus variable
  • Syntax versus semantics
  • Variable versus variable reference
  • Update operator versus read-only operator
  • Operator versus invocation
  • Parameter versus argument
  • Parameter subject to update versus parameter not subject to update
Posted Date: 1/18/2013 1:35:46 AM | Location : United States







Related Discussions:- Important distinctions, Assignment Help, Ask Question on Important distinctions, Get Answer, Expert's Help, Important distinctions Discussions

Write discussion on Important distinctions
Your posts are moderated
Related Questions
Implicit Cursors The Oracle implicitly opens a cursor to process each SQL statement not related with an explicitly declared cursor. The PL/SQL lets you refer to the most recen

Due to an increase in overhead costs, the buying price of all items needs to be increased. Management wants to see a report before deciding how much each product will go up. Add to

Using LOCK TABLE You use the LOCK TABLE statement to lock the whole database tables in the specified lock mode so that you can share or deny the access to them. For illustrati


Question: (a) In the context of database security explain how the following database features help to enforce security in the database system: (i) Authorisation (ii) Access

Database Values You can use the SELECT statement to have the Oracle assign values to a variable. For Each and every item in the select list, there must be a matching, type-compa

(a) What are decision support systems, and what role do they play in the business environment? (b) Data warehousing is defined as "a subject-oriented, integrated, non-volatile c

DBMS_OUTPUT: The Package DBMS_OUTPUT enables you to display output from the PL/SQL subprograms and blocks, that makes it easier to test and debug them. The procedure put_ line

Closing a Cursor Variable The CLOSE statement disables the cursor variable. After that, the related result set is undefined. The syntax for the same is as shown below: CLOS

Many of the reports generated from the system calculate the total dollars in purchases for a shopper. Complete the following steps to create a function named TOT_PURCH_SF that acce