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

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ABOUT Worcester

Worcester is a town in Worcestershire, England. It is a non-metropolitan country. It is a junction point for Gloucester and Birmingham. It is a non-metropolitan district. River Severn flows to the west of the town Centre. The Population of the region is nearly 1 lakh. During civil war era, the Battle of Worchester was the last and most deadly war in the region. The famous composer Edward Elgar also belongs to this place. The world oldest newspaper Berrow’s Worchester journal is published here.

History

Roman Ryknild Street was a trading route in New Stone age. During the 3rd century, most of the Worchester area lost to Roman Empire. Some area had become useless because of the silting of Diglis Basin. It also impacted the industrial production. St. Helen’s is the famous church of the region. The major devastation of the town did happen in 1041 after rebellion for taxation. The cloth industry boomed during the medieval era where 10000 population approximately shifted to this industry and ultimately hub for the corporate world. Worcester was the place of war when Charles II tried to regain the territory. Again he lost. Finally, he escaped to France to save his life. Worcester always fought for a parliamentarian form of government. During late 16th century, the Severn’s river banks got burst and it leads to heavy loss of property. During Second World War time, the role of the city was very prominent. It was termed as the safest evacuation route in case of the German forces invade. The Royal Worcester porcelain company puts off its services in 2009. The medical museum ‘’Infirmary’’ is constructed from old wards infrastructure in 2012.

Governance

Till 2007, the conservatives had control over the council. They lost the control after losing by-election seat to the Labour party. Still, they are leading in councillors numbers with 17 seats out of 35. But it has been Worchester city council that is looking after its administration. Robin Walker of the conservative party is the current MP of this region. The local government structure is formed as a non-metropolitan council.

Climate

It has a mild climate with warm summers and mild winters throughout the year. It also encounters with extreme climatic conditions. The floods came in subsequent years. In the year 2009-2011, it encountered with sub-freezing temperatures and massive snowfalls. The average rainfall of this region is below 600 mm.

Demography and religion

The last population census was done in 2001. Most of the population is white and a large section of society follows Christian religion which accounts 79% of the population. 21% of the population does not follow any religion. Others religions have percentage below 2. The minorities include Bangladeshi, Chinese, Indian, Pakistani and others. This small population makes the diverse group of religious people.

Economy

The economy is favourable to many light industries. During the industrial revolution in 18th century, it got pace in the development project. The glove industry is the suitable example which is accelerating at a constant pace. Other are engineering products, machinery tools, sauce industry and shopping centres.

Transportation

The longest path of the Worcester is M5 Motorway that runs to the north-south corridor. The city is situated at junction 6 and junction 7.  A car traveller can easy access to rest of the region. The capital city is just 118 miles far from it. There are two famous stations of the region i.e Worcester Foregate Street and Worcester Shrub Hill. First Midland Red is the main service provider of the city. There are also a few smaller operators. The major airport near to the city is Birmingham Airport. Another important airport is Gloucestershire Airport.