PL-SQL Tutorial For Beginners : Pondy IT Training
Oracle PL/SQL is an extension of SQL language, designed for seamless processing of SQL statements enhancing the security, portability, and robustness of the database. This PL/SQL online programming course explains some important aspect of PL SQL language like block structure, data types, packages, triggers, exception handling, etc.
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PL/SQL is an extension of Structured Query Language (SQL) that is used in Oracle. Unlike SQL, PL/SQL allows the programmer to write code in a procedural format. Full form of PL/SQL is "Procedural Language extensions to SQL".
- What is PL/SQL?
- Architecture of PL/SQL
- Advantage of Using PL/SQL
SQL is the standard language to query a database. PL SQL basically stands for "Procedural Language extensions to SQL." This is the extension of Structured Query Language (SQL) that is used in Oracle.
- Difference between SQL and PL/SQL
- Difference Between T-SQL and PL-SQL
- Difference between SQL and T-SQL
In PL/SQL, the code is not executed in single line format, but it is always executed by grouping the code into a single element called Blocks. In this tutorial, you are going to learn about these blocks.
- What is PL/SQL block?
- Block Structure
- PL/SQL Block Syntax
- Types of PL/SQL block
In this tutorial, we will introduce SQL* Plus and learn how to connect it to the database. After connection, we are also going to see how to write our first program "Hello World" in PL/SQL.
- What is SQL* Plus?
- Connecting to Database
- How to write a simple program using PL/SQL
- Declaring and usage of variables in the program
- Comments in PL/SQL
A data type is associated with the specific storage format and range constraints. In Oracle, each value or constant is assigned with a data type. Basically, it defines how the data is stored, handled and treated by Oracle during the data storage and processing.
- CHARACTER Data Type
- NUMBER Data Type
- BOOLEAN Data Type
- DATE Data Type
- LOB Data Type
Identifiers are nothing but a name that is given to a PL/SQL object. The object could be constant, variable, exception, cursors, procedures, function, package, trigger, object type, reserve word or label.
- Properties of Identifiers
- Naming Conventions of Identifiers
- Variables – An Identifier
- Declaration of Variables
- Data storing in Variables
A Collection is an ordered group of elements of particular data types. It can be a collection of simple data type or complex data type (like user-defined or record types).
- What is Collection?
- Nested Tables
- Constructor and Initialization Concept in Collections
- Collection Methods
A Record type is a complex data type which allows the programmer to create a new data type with the desired column structure. It groups one or more column to form a new data type
- Intro to Continuous Integration (CI)
- How to download and configure Jenkins
- Intro to Git and GitHub
- Usage of all required git command
- Run test from Jenkins using your repo from Github
Decision making statements are those who will decide the flow-control of SQL statements based on the conditions. It gives the programmer a better control of preventing a particular code from executing
- Introduction to Decision Making Statements
- IF-THEN Statement
- IF-THEN-ELSE Statement
- IF-THEN-ELSIF Statement
- NESTED-IF Statement
Loops allows a certain part of the code in a program to get executed for the desired number of times. In this tutorial, we are going to see the loop concept in PL/SQL and flow of control in loops. You will learn-
- Introduction to Loops Concept
- Loop Control Statements
- Types of Loop in PL/SQL
- Basic Loop Statement
- Labeling of Loops
Procedures and Functions are the subprograms which can be created and saved in the database as database objects. They can be called or referred inside the other blocks also. Apart from this, we will cover the major differences between these two subprograms.
- Terminologies in PL/SQL Subprograms
- What is Procedure in PL/SQL?
- What is Function?
- Similarities between Procedure and Function
- Procedure Vs. Function: Key Differences
- Built-in Functions in PL/SQL
An exception occurs when the PL/SQL engine encounters an instruction which it cannot execute due to an error that occurs at run-time. These errors will not be captured at the time of compilation and hence these needed to handle only at the run-time.
- Exception-Handling Syntax
- Types of Exception
- Predefined Exceptions
- User-defined Exception
- PL/SQL Raise Exception
- Important points to note in Exception
we are going to learn how to use SQL in PL/SQL. SQL is the actual component that takes care of fetching and updating of data in the database whereas PL/SQL is the component that processes these data.
- Data Insertion
- Data Update
- Data Deletion
- Data Selection
PL/SQL allows the programmer to control the context area through the cursor. A cursor holds the rows returned by the SQL statement. The set of rows the cursor holds is referred as active set.
- Implicit Cursor
- Explicit Cursor
- Cursor Attributes
- FOR Loop Cursor statement
PL/SQL package is a logical grouping of a related subprogram (procedure/function) into a single element. A Package is compiled and stored as a database object that can be used later..
- Components of Packages
- Package Specification
- Package Body
- Create Package in PL/SQL
- Forward Declarations
- Cursors Usage in Package
- Dependency in Packages
- Package Information
- UTL FILE – An Overview
Triggers are stored programs that are fired automatically when some events occur. The code to be fired can be defined as per the requirement. Oracle has also provided the facility to mention the event upon which the trigger needs to be fire and the timing of the execution.
- Benefits of Triggers
- Types of Triggers in Oracle
- How to Create Trigger
- :NEW and :OLD Clause
- INSTEAD OF Trigger
- Compound Trigger
Object-Oriented Programming is especially suited for building reusable components and complex applications. They are organized around "objects" rather than "actions" i.e. the programs are designed to work and interact with the entire object rather than the single action.
- Components of Object Types
- Create Object in Oracle
- Declaration Initialization of Object Type
- Inheritance in Object Type
- Equality of PL/SQL Objects
Dynamic SQL is a programming methodology for generating and running statements at run-time. It is mainly used to write the general-purpose and flexible programs where the SQL statements will be created and executed at run-time based on the requirement.
- Ways to write dynamic SQL
- NDS (Native Dynamic SQL) - Execute Immediate
- DBMS_SQL for Dynamic SQL
Nested block concept will help the programmer to improve the readability by separating the complex things into each block and to handle the exception for each block inside the main outer block.
- Nested Block Structure
- Scopes in Nested Block: Variable Scope
PL-SQL is designed in such a way where you can get all the important conceptual knowledge, hands on skills and problem solving techniques. In most of the classes, the instructor will give two hours lecture and after that you have to do a classwork relating to the instruction subject. You will be given homework in each class related to real life and practical scenarios. There will be a trainer assistat to support you with more personal attention.
Our program includes:
20 Weeks Course Duration
Onsite Instructor Led Class
96+ Hours of Class Lecture
80+ Hours of Homework
80+ Hours of lab Work
60+ Hours of Project works
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