What Is PL/SQL

Q

What Is PL/SQL? - Oracle DBA FAQ - Introduction to PL/SQL

✍: FYIcenter.com

A

PL/SQL is a modern, block-structured programming language. It provides several features that make developing powerful database applications very convenient. For example, PL/SQL provides procedural constructs, such as loops and conditional statements, that are not available in standard SQL.

PL/SQL code runs on the server, so using PL/SQL lets you centralize significant parts of your database applications for increased maintainability and security. It also enables you to achieve a significant reduction of network overhead in client/server applications.

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What Is Stored Program Unit
What Is Stored Program Unit? - Oracle DBA FAQ - Introduction to PL/SQL A stored program unit is a named block of codes which: Has a name. Can take parameters, and can return values. Is stored in the data dictionary. Can be called by many users. 2007-04-25, 5442👍, 0💬

How To Login to the Server without an Instance
How To Login to the Server without an Instance? - Oracle DBA FAQ - Introduction to Oracle Database 10g Express Edition If your default instance is in trouble, and you can not use the normal login process to reach the server, you can use a special login to log into the server without any instance. He... 2007-04-24, 5406👍, 0💬

How To Run the Anonymous Block Again
How To Run the Anonymous Block Again? - Oracle DBA FAQ - Introduction to PL/SQL If you have an anonymous block defined in your session, you can run it any time by using the "/" command as shown in the following script: SQL> set serveroutput on; SQL> begin 2 dbms_output.put_line('This is a PL/SQL FAQ... 2007-04-25, 5261👍, 0💬

How To Check the Server Version
How To Check the Server Version? - Oracle DBA FAQ - Introduction to Oracle Database 10g Express Edition Oracle server sersion information is stored in a table called: PRODUCT_COMPONENT_VERSION. You can use a simple SELECT statement to view the version information like this: >.\bin\sqlplus Enter user... 2007-04-25, 5256👍, 0💬

How To Use "startup" Command to Start Default Instance
How To Use "startup" Command to Start Default Instance? - Oracle DBA FAQ - Introduction to Oracle Database 10g Express Edition If you logged in to the server as a SYSDBA, you start the default instance with the "startup" command. Here is how to start the default instance in SQL*Plus in SYSDBA mode: ... 2007-04-24, 5073👍, 0💬

What To Do If the Binary SPFile Is Wrong for the Default Instance
What To Do If the Binary SPFile Is Wrong for the Default Instance? - Oracle DBA FAQ - Introduction to Oracle Database 10g Express Edition Let's say the SPFile for the default instance is a binary file, and some settings are wrong in the SPFile, like SGA setting is bellow 20MB, how do you change a se... 2007-04-25, 5006👍, 0💬

What Is PL/SQL
What Is PL/SQL? - Oracle DBA FAQ - Introduction to PL/SQL PL/SQL is a modern, block-structured programming language. It provides several features that make developing powerful database applications very convenient. For example, PL/SQL provides procedural constructs, such as loops and conditional sta... 2007-04-25, 4978👍, 0💬

How Many Anonymous Blocks Can Be Defined
How Many Anonymous Blocks Can Be Defined? - Oracle DBA FAQ - Introduction to PL/SQL An anonymous block is stored in the user's current session without any name. So you can only define one anonymous block at any time. If you define another anonymous block, the new block will replace the previously de... 2007-04-25, 4964👍, 0💬

What Are the Types PL/SQL Code Blocks
What Are the Types PL/SQL Code Blocks? - Oracle DBA FAQ - Introduction to PL/SQL There are 3 types of PL/SQL code blocks: Anonymous Block - A block of codes with no name. It may contain a declaration part, an execution part, and exception handlers. Stored Program Unit - A block of codes with a name.... 2007-04-25, 4935👍, 0💬

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