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 Chelmsford

The city of Chelmsford is the principal settlement. It is under the jurisdiction of official charge of Essex which is situated in the eastern region of England. The combined population of the district and urban city is nearly 3 lakh. Its main communities get its name from various cities. In the year of 2012, the queen officially gave it the status of a city. The people of Chelmsford is known as Chelmsfordian. Various ethnic groups in the town get its name from the city of Chelmsford. Preferably, the commuters of various nearby towns make the population of the town. The rail journey between Chelmsford and central London takes 30 minutes less as compare to road journey.

History

During 11th century, there was a bridge that constructed over the River Can. This bridge played important role in the transformation of the town and this town got popularity and started recognizing as a popular town. Prior to 1189, this town was recognised as Celmeresfort and since 1189, the name had changed to Chelmsford. The market was opened immediately after the construction of the bridge over the River Can. It underwent many attacks during 1939 to 1945 and light engineering war production unit was the softest target of the enemies. In 1943, Luftwaffe bombarded where 55 people died and thousand got homeless. After the 1980s, the government has not been giving due importance to defence related industry and this industry drastically impacted during these years. The famous company Marconi shut most of its factories or sold to some other firms.

Administration and policies

This town has its unique geography. It is important for political strategy. It has been recognised as a country town since the 12th century. The various company headquarters such as Essex Country council and Chelmsford city council are situated here. Vicky Ford is the present MP of Chelmsford. He got 22% more votes as compared to his Counter Part.

Demography

As per 2001 census, there was high sex ratio in this region with 50% females and 49% males. Almost 95% people are white and 70% of them follow Christian religion.

Economy

At the initial stage, Agriculture was the only profession that people did with full zeal but with time, it followed the interests in other industries too. There was a small market where people usually do business and earn money. Guglielmo Marconi brought revolution by introducing world first wireless factory. He has great contribution in the invention of the radio. Crompton electrical Engineering, Hoffmann Ball Bearings, English electric valve company, Britvic are the other leading developments in the past. Chelmsford has the best nightlife. The old, as well as superior quality wines, are easily available here.

Transport

The Eastern Counties Railway was introduced a few years prior to the mid-18th century. There were three major viaducts constructed in the past and the major one is 18 arch central park viaduct. A new railway project is in line and it will complete in 2020.

Famous places

The two famous tallest buildings are built nearly 1960s. They are Parkside court and Melbourne court. Till now with 110 m height, the chain home radar tower is the tallest among other buildings.  A person can see it from any part of the city.

Climate

It has a maritime climatic condition. It experiences warmer climate as compared to rest of the United Kingdom. It receives the lowest rainfall and remains drier throughout the year. The rainfall is between 500 mm and 550 mm yearly.

Education, Media and Sports

There are many schools for primary education but Chelmsford College gets a bulk of students for higher education. The radio of this city operates from outside the country. The Chelmsford City Football club representing in the various national championship. The Rugby football club is very famous of this region.