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 Bedford

Bedford is county town with 80 thousand population. The last census conducted in the year of 2015. The approximate population of Bedford is 1 lakh 67 thousand. A river Great Ouse also flows in the city. Henry, I built Bedford Castle. The same infrastructure was destroyed in 1224. It has been representing the Parliament seat since 1265. A large population of Italy migrated to this town in the past. They proved to be the workforce for this city and helped in the economic sector in the past.

History

The origin of Town’s name is based on the chief of Saxon. He was commonly called Beda. According to some historians, the name is also derived from the river Great Ouse. During the early middle ages, it was an agricultural region where the market was operated nearby town. The wool was a major and crucial industry at that time. The other important industry of the town was Lace industry. Brewing leads the business after the decline of the wool industry. During the mid-18th century, there was an introduction of the railways. The 19th century saw an amazing shift of the industry towards engineering sector.

Governance

Among the Borough of Bedford, Bedford city is the biggest town. The whole administration was looking after by the Mayor. He is also known as Mayor of Bedford. The present mayor belongs to Liberal Democrat party.  His name is Dave Hodgson. There are total 10 wards in the city.

Geography and climate

Some major towns and villages such as Kempton, Elstow, Reinhold, and Ravensden are located near to the city. It has a maritime climate similar to the most of the United Kingdom. It got rainfall for the whole year. Bedford airport is the local official met office. It provides day to day update of weather to nearby people.

Demography and Landmarks

It is home to the Italian people. There are lakhs of Italian natives who moved to this country in the past. The major reason for this population was the migration of the labourers during the mid-19th century. Italian community, they also had their own Vice-consulate for 54 years. After the Italian population, the second most important migrated people were South Asian. River Ouse flows through the Centre of the town. A war memorial to commemorate the war heroes was built in the town during 1921.

Transport

The transportation system of the town links between the town and whole England. The major road network is A6 which connects the whole town. The bus station started its services in 2015. The whole Bedford is connected with the vast network and there is no problem of transportation.

Education

The education system of Bedford is slightly different from rest of the England. It follows the three-tier system in certain locations. The education policy was recommended by Sir Plowden in 1967. There was a referendum in 2006 to change the system, but people rejected this proposal. After 3 years, again the process was started to shift it from 3 tier to 2 tier system. It got succeeded the same year.

Religious sites

The majority of the people belong to the Christian community. Churches St. Paul’s and St. Peter’s get lion’s share of the visiting Christian community. Four mosques are also there. The Largest Sikh temple (Gurudwara) of the United Kingdom is also here. Other prominent places are Guru Ravidass and Valmiki temples.

Culture and Sports

The prominent religious community of 20th century also has their sculpture in the Panacea Museum. The country also has a famous venue. The major production houses direct many of the films in the University of Bedfordshire Theatre.