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 London

London, also known as Greater London is the capital city of the United Kingdom with a population of around 9787426 according to 2011 census. It is the most populous city in the country and located on the Thames River towards the south-east of the Great Britain. The city is also referred as metropolis around the ancient core and Greater London which comprises Surrey, Middlesex, Hertfordshire, Essex, and Kent regulated by the London Assembly. In the era of globalisation, the city is crowned as a leading centre in the fields of education, infrastructure, healthcare, tourism, entertainment and professional services.

History          

The history of the city traced its roots back to the Roman period and Romans named it Londinium. Recently, two discoveries found on the south bank near the Thames River showing the remains of Bronze Age Bridge gave access to a lost island in the river and foundations of large timber structure situated on Thames foreshore. The walled city of London was abandoned with the downfall of the Roman rule during the fifth century and new settlement Lundenwic was developed to the west of the old city. The city became a major port and established Danelaw in the Vikings period. The city developed dramatically after the abandonment of Lundenwic and became the largest town and trading centre of the country.

The population of the city grew from 18000 to approx. 100,000 by the end of 13th century and became England’s principal commercial and administrative centre. The focus of the city changed to private ownership with the establishment of exchange, mercantile and trading companies during the Tudor period. The city was severely affected by Great Plague disease resulted in the death of 100,000 people and also faced destruction in the large parts of the city with the great fire of London. The city also remained as the largest city in the world till 1925. London was the prime target by German bombers during the First and Second World War, destroyed many residential projects and commercial buildings across the city. In 1948, Summer Olympics were held in the city and attracted a large number of immigrants from Commonwealth countries. 

Architecture

With the presence of various diverse buildings with varying ages, the walled city cannot be represented by any specific architectural style. Few structures in the central London including Tower of London, National Gallery, and Hampton Court Palace were constructed during Roman and Tudor period. While other famous buildings include churches and financial institutions that represent the modern architecture and formed part of the varied architectural heritage. Central London has some tall skyscrapers including the tallest building in the European Union and older buildings decorated with beautiful carvings and white plaster mouldings. The other famous buildings of the city are British Library, City Hall, and Millennium Dome.

Religion

The majority of the population of the city follows Christianity followed by Muslims, Hindus, Sikhs, Jews, and Buddhists. A large number of churches and well-known cathedrals are constructed in the city including Southwark Cathedral and St Paul’s Cathedral. Muslim communities are largely based in the boroughs of Newham and Tower Hamlets and famous mosques in the city are London Central Mosque, East London Mosque, and Baitul Futuh Mosque. There are approximately 42 Hindu temples in the city and Hindu communities are mainly settled in the Harrow and Brent boroughs.

Tourism

The city is ranked among the leading tourist destinations in the world and crowned top city destination by Trip Advisor users. The notable buildings of the city are Natural History Museum, The British Museum, Tate Modern, Science Museum, Tower of London, Southbank Centre, National Portrait Gallery and many more exciting attractions.