Oracle Database 12c: Introduction to SQL

ABOUT THE PROGRAM

Since the early days of computers, there was always a need to store data. First, it was stored just in the computer’s RAM and later on in flat files. As the need for more data grew, newer options came into the market. Dbase was the forerunner among such technologies. It was followed by Foxbase, FoxPro etc. To suit to the Windows environment these DBMS systems either upgraded with Windows versions or there were new players in the market such as Microsoft Access. Data still kept pouring in and the need to handle such large amounts of data gave rise to the RDBMS and ORDBMS packages that we are all familiar with now. A starter among them was ORACLE. Oracle used single statements to retrieve, update or delete data from the database as compared to the programs a user would have to write for doing the same job early on.

  • Learn to deal with Data Dictionaries

  • Understand The Concept of External Tables

  • Extract Data From Multiple Tables Using Joins

  • Learn To Group Rows With Similar Type of Data

  • Get Certified in the best Database Query Language

WHAT'S INCLUDED ?

Find out what's included in the training programme.

Includes

Tutor Support

A dedicated tutor will be at your disposal throughout the training to guide you through any issues.

Includes

Certificate

Delegates will get certification of completion at the end of the course.

PREREQUISITES

The Introduction to SQL course requires the delegates to be familiar with data processing concepts and techniques.

TARGET AUDIENCE

  • Application Developers
  • Business Analysts
  • Data Warehouse Administrator
  • Developer
  • Forms Developer
  • PL/SQL Developer
  • System Analysts

WHAT WILL YOU LEARN?

  • Identify the major physical constituents of the Oracle Database 12c
  • Learn to fetch data using SQL statements
  • Create reports using group functions
  • Learn to write queries that form a part of another query
  • Run data manipulation statements (DML) in Oracle Database 12c
  • Create tables to store data
  • Create views for displaying data
  • Grant / revoke permissions to specific objects
  • Understand the concept of objects in a schema
  • Discuss the various kinds of JOINS
  • Using Data Dictionary View Learn to Manage objects
  • Write sub-queries having multiple-columns
  • Understand and Use scalar and correlated sub-queries
  • Using SQL*PLUS Create reports

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PROGRAM OVERVIEW

Oracle, since its inception as a Database, has had many versions namely Oracle 1 through Oracle 8, then 8i, 9i, 10g, 11g and the latest being 12c. Each of these versions come with three main components i.e. SQL* PLUS, Oracle Forms and Oracle Reports. Oracle also comes in various Database Editions such as

  • Oracle Enterprise Edition
  • Oracle Standard Edition
  • Oracle Standard Edition One
  • Oracle Personal Edition
  • Oracle Express Edition

However, the most primary component of the database in all these versions has been SQL*Plus. SQL*Plus is the application that uses a query language to perform operations such as insert, update, delete and others.

The Oracle Database 12c: Introduction to SQL, helps the delegates to write multiple queries which can also be executed as a single query using the operators provided by Oracle SQL. The Oracle SQL allows its users to store data using DDL operations, manipulate data with DML operations and control data using DCL. It also provides for Transaction Control using the TCL feature. During this course, the delegates learn to manage objects within a schema, work with different types of views, manage roles and privileges, work with external tables etc.


PROGRAM CONTENT

  • Introduction
    • Overview of Oracle 12c Database
    • Understanding RDBMS Concepts and Terminologies
    • SQL and the Development Environment – An Introduction
    • The Oracle SQL Developer
    • The Schemas and Tables Used in the Course
  • The Select Statement
    • Select Statement – It’s Features
    • NULL Values and Arithmetic Expressions
    • Using DISTINCT for Unique Records
    • Column Aliases
    • Using Concatenation and Other Operators
    • Using Describe
  • Constraining and Arranging Data
    • Using the WHERE clause to limit rows
    • Using Logical Operators AND, OR, NOT
    • Use Order By for Sorting Rows
    • Using Substitution Variables
    • Use & and && in a SQL Statement
    • Making Use of Define and Verify
  • Single-Row Functions
    • Single row and multiple row functions - their differences
    • Oracle SQL Function Types
    • Manipulating strings in a Select Query and WHERE clause with character functions
    • Using ROUND, TRUNC and MOD functions
    • Perform calculations with dates
    • Using the date functions
  • Conversion Functions and Conditional Expressions
    • Implicit and explicit data type conversion
    • The conversion functions
    • Nesting functions
    • Use NVL, NULLIF, and COALESCE functions with data
    • Making Use of IF THEN ELSE logic in SELECT Query
  • Using Group Functions in Oracle
    • Group Functions
    • Creating Groups of Data with GROUP BY
    • Restricting Group Results with HAVING clause
  • Using Joins to Display Data
    • JOINS and their Types
    • Types of Joins
      • Natural join
      • Self-join
      • Non equijoins
      • OUTER join
    • Using Subqueries
      • Subqueries – An Introduction
      • Types of Subqueries
        • Single Row
        • Multiple Row
      • The Set Operators
        • Set Operators – An Overview
        • Union and Union All
        • Intersect
        • Minus
        • Matching Select Statements
        • Using Order By in SET’s
      • Managing Tables
        • Using DML
        • Using Transactions
      • An Introduction to DDL
      • Data Dictionary Views - An Introduction
        • Overview of Data Dictionary Views
        • Structure of the Data Dictionary
        • Using the Data Dictionary
        • Querying the Data Dictionary
      • Sequences, Synonyms and Indexes
        • An Overview
        • Creating Sequences, Synonyms and Indexes
      • Views
        • An Overview
        • Creating Views
      • Dealing With Schema Objects
        • Managing constraints
        • Managing temporary tables
        • Managing external tables
      • Fetch Data With The Help of Subqueries
        • Fetch Data by Using a Subquery as Source
        • Working with subqueries with Multiple-Columns
        • Using Scalar subqueries
        • Correlated Subqueries
        • Using the WITH Clause
      • Data Updating with Subqueries
        • Manipulate Data with Subqueries
        • Using a Subquery as a Target for Inserting Data
        • Making Use of the WITH CHECK OPTION Keyword on DML Statements to make validation
        • Update and Delete rows Using Correlated Subqueries
      • Roles and Privileges
        • System Defined privileges
        • Roles - Creating
        • Object Level privileges
        • Taking Back object privileges
      • Data Manipulation
        • Overview of the Explicit Default Feature
        • Performing multiple INSERTs
        • Using MERGE
        • Performing flashback
        • Track Any Changes Made To Data
      • Handling Data in Different Time Zones
        • Understand the following:
          • CURRENT_DATE
          • CURRENT_TIMESTAMP
          • LOCAL_TIMESTAMP

Oracle Database 12c: Introduction to SQL Enquiry

 

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ABOUT Watford

Watford is a town situated 17 miles distant from central London. It is inside the perimeter of the M25 motorway. Most of the people are perplexed with Watford, Northamptonshire. This town is located 55 miles to the north. This city is situated on the river Colne. Tourists enjoy the scenery of this place. With the high number of people visiting Berkhamsted Castle, Kings Langley (a royal palace), it further boosts the growth of the town. The Trio, The London, The Birmingham Railway and The great Canal junction further accelerate the growth of the town.

Until the period of 16th century, this land belonged to St Albans Abbey. The printing work started by John Dickinson and co. influenced other companies too. Printing turns out to be the biggest industry in Watford in 1920s. This industry is also doing well nowadays. The major events such as 2013 Bilderberg Conference and World Golf Championship was hosted by The Grove. It was transformed from urban district to municipal borough in 1922. Watford is the Centre of several head offices too. Watford was addressed by the name of major sub-regional Centre by the Hertfordshire County Council.

History

As far as the name of the city is concerned, it was first mentioned in the Anglo- Saxon era of 1007. Earlier it was an agricultural community where most of the people depended upon it. A few people involved in the Cottage industry but with the industrial revolution, the Grand Junction Canal and the London and Birmingham Railway were constructed to reach the Chiltern Hills easily. The printing press of Watford is recognised as the best in the world. It is also the biggest Centre in the same field. The use of the printing machine was very popular during the world war where it had been used to create Propaganda. At that time the authority was taken over by the Government. It was as usual that industry got declined at that time.  In the beginning of 20th century, the pace of the development continues to enhance.

Governance

It was transformed to the Municipal borough from Urban district under a charter in 1922. It got separated from Greater London to three Rivers district. There are total 36 councillors elected for 12 wards. It has a total term of 4 years. There is only one parliamentary seat for the region.

Economy

Among the northern side countries, Watford is a leading regional Centre. It is only major regional Centre in the Hertfordshire. The sight of the night at High Street is very attracting. There are a large number of bars, clubs and restaurants.  It attracts hundreds of people every day to the spot. The economy of the region also depends on the tourism of the place. The famous and leading shopping area of the region is Harlequin Shopping Centre.

Parks, Theatres and Museums

There are around 44 recreation grounds, gardens, public parks and allotments in the city. Of these, there are 8 parks that are conferred with Green Flag because of their beautiful scenery and quality. A few parks such as Cassiobury Park, Cheslyn House and Gardens, Woodside Park are famous ones. Some theatres are Watford Palace Theatre, the Pumphouse, Watford Colosseum are the famous theatres. The other museums are Watford Museum, Leavesden Film Studios are famous ones.

Transport

It is close to the Junction point where M25 and M1 meets. It is well served by the bus service for commuters. Some leading names in the business are Red Rose, Travel, and Carousel. There are total 3 railway stations that are giving its services in the central London.  It is also well connected with Air mode.