Blocks:

The fundamental program unit in the PL/SQL is the block. The PL/SQL block is defined by the keywords BEGIN, DECLARE, EXCEPTION, and END. These keywords partition the block into the declarative section, an executable section, & an exception-handling section. Only the executable section is needed. You can nest the block within the other block wherever you can place an executable statement.

Syntax:

Posted Date: 10/6/2012 8:50:13 AM | Location : United States

Ask an Expert

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

Write discussion on Blocks
Your posts are moderated

Write your message here..

Related Questions

Use of count in sql, Use of COUNT in SQL It describes and discusses va... Use of COUNT in SQL It describes and discusses various general methods of expressing constraints, eventually noting that support for "=" with relation operands is sufficient f

Pl sql code review, PL SQL Code Review HEADER ELEMENTS File Name ... PL SQL Code Review HEADER ELEMENTS File Name Clear, meaningful and descriptive about main objective of the file. Multiple words are joined using underscores which adh

Relational operators and logical operators, Relational Operators and Logica... Relational Operators and Logical Operators It prepares the ground for subsequent sections in which each specific relational operator is paired with its logical counterpart, su

Sql cursor - syntax, SQL Cursor   The Oracle implicitly opens a cursor... SQL Cursor   The Oracle implicitly opens a cursor to process each SQL statement not related with an explicit cursor. The PL/SQL refers to the most current implicit cursor as t

What are decision support systems, (a) What are decision support systems, a... (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

Package specification, The Package Specification The package specificat... The Package Specification The package specifications contain the public declarations. The scopes of these declarations are local to your database representation and global to t

Collections in pl sql, Collections:   The collection is an ordered gr... Collections:   The collection is an ordered group of elements, all of similar type (for illustration, the grades for a class of students). Each element has an exclusive subsc

First step at defining type sid in sql, First Step at defining type SID in ... First Step at defining type SID in SQL CREATE TYPE SID AS ( C VARCHAR(5) ) ; Explanation: TYPE SID announces that a type named SID is being defined to the syst

Fetching from a cursor variable, Fetching from a Cursor Variable The F... Fetching from a Cursor Variable The FETCH statement retrieve rows one at a time from the product set of a multi-row query. The syntax for the same is as shown: FETCH {curso

Sql pseudocolumns, SQL Pseudocolumns The PL/SQL recognizes the followin... SQL Pseudocolumns The PL/SQL recognizes the following SQL pseudocolumns, that returns the specific data items: LEVEL, NEXTVAL, CURRVAL, ROWID, & ROWNUM. The Pseudocolumns are n