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 Maidstone

Maidstone, also known as the Garden of England is a large county town of the Kent with a population of around 107,627 according to 2011 census. The Medway River flows in the west-east direction connect the town to the Thames Estuary and Rochester and passes through the centre of the town.  The town served as an agricultural county of Kent. The history of the city found its root back before the Stone Age.  The town was affected by the Second World War, and the heavy industries were replaced by light industries and services. It has been suggested that the name of the town is derived from medestan, meaning stone of the people or stone of the maidens.

The education, maintenance of infrastructure and social services of the town are administrated by the Kent County Council. There are two constituencies in the town, one is Faversham and Mid Kent, and other is Maidstone and the Weald. Maidstone comprises various villages, hitherto settlements and hamlets including Barming, Sandling, Allington and Tovil.

History

The evidence of Roman settlement in the area found in the architectural buildings and villas of the town. The charter was granted in 1551, created the town as a borough. The Normans established an abbey, shire moot, hospitals and a college for priests. The Parliamentarian troops won over the Royalist forces in the Battle of Maidstone during the Second English Civil War in 1648. The town flourished with the arrival of stone quarrying, paper mills, brewing and the cloth industry. The cavalry barracks were built in the town to establish the permanent military presence in the 17th century and also known as Invicta Park Barracks

A number of outlying settlements and villages can be found in the modern town. The significant development of the town Maidstone General Hospital, which was built in 1983 on the outskirts of the town replaced 150 years old West Kent General Hospital located in Marsham Street. The Portland stone was used during the construction of county council offices between 1910 and 1913.  During the Irish Republican Army campaign, local pub serving Invicta Park Barracks was severally damaged by a bomb in 1975.  The major employers of the town include administrative, retail and service sectors and few industrial estates established on the outskirts provide the employment to the workforce of the town. Some residents also commute to the other towns including London for better job opportunities.

Economy

The major employer of the town was the Sharps toffee factory located in the central Maidstone flows until 1998.  The electrical engineer founded he loudspeaker manufacturer in 1961 and named after Kent Engineering and Foundry (KEF). They manufactured a loudspeaker in the late 19th century and named the Maidstone. The water system of the town is operated by Mid Kent Water and Southern Water. The major offices of the county are located in the centre of the town and many high-tech firms have started their operations in the surrounding business parks.  The town is ranked 50 in the United Kingdom for having largest retail floor space and higher shopping yields. The main shopping centres Fremlin Walk and Mall Maidstone are located in the town centre having the floor area of 32,500 square meters and 49,700 square meters respectively. Other recent developments such as multiplex cinema, nightclubs, restaurants and market square are contributing towards the economy of the city.

Education

There are 23 primary, 15 secondary and two special schools in the town. The town is also served by the grammar schools, and non-selective secondary schools include Invicta Grammar School, Cornwallis Academy, New Line Learning Academy, Valley Park School, Maidstone Grammar School and Oakwood Park Grammar School. The regional campus of the University for the Creative Arts is located on the west of the town.