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 York

York is a walled city in the northeast England with a population of around 153,717 according to 2011 census. It lies at the concurrence of the Foss and Ouse rivers in North Yorkshire, non-metropolitan and Ceremonial County in England. The town is considered as the county town of the historic Yorkshire County. The town served a base for two major political events in England. The town became a famous tourist destination for millions of tourists for its unique and rich heritage, notable historical attractions and also offer a range of cultural and sporting activities. The Romans founded the city in 71 AD and became the largest town and a provincial capital in Britain. The town developed as a major trading centre of wool in the Medieval Period and. By the middle ages, it became the capital of the northern ecclesiastical of the Church of England, also termed as the international Anglican Communion’s mother church.

The economy of the town was primarily based on confectionery manufacturing centre and railway-related industries. The town became a centre of the railway network in the 19th century. The focus of the economy shifted to the service sector in recent decades. The major employers of the city are health services and the University of York, and the local economy of the city is largely dependent on the tourism sector. The ‘city of York’ term represented the unitary authority area and covered the rural areas beyond the boundaries of the old city.

History

The oldest inhabited settlement of the town recorded between 8000 and 7000 BC was Mesolithic. The site was occupied by the tribe of Romans, known as Brigantes during the Roman conquest of Britain and the tribal area became a Roman client state. The origin of the city established in 71 AD when the Ninth Legion built a wooden military fortress on flat ground at the concurrence of the River Ouse and Foss. The fortress was occupied by the 6000 legionary soldiers and spread on an area of 50 acres land. The population of the town reduced in the post-Roman era due to occasional flooding from the Foss and Ouse rivers. York became the chief city of King Edwin of Northumbria in the 7th century. The first wooden minster church was built, and restoration of the other parts of the town took place in 627.

The town experienced revolutionary phase after the two years of Norman Conquest of England. William the Conqueror, the first Norman King of England, stopped the rebellion and built a wooden fortress and timbered castle across the Ouse River. Later on, these were demolished in 1069 and remains are visible on the banks of the Ouse River. Due to its strategic location and its closeness to the Great North Road, the town became a significant trading and cloth manufacturing centre. The first charter was granted in 1212, provided trading rights in England and Europe. The economy of the city declined in the Tudor times and many monastic houses, hospitals and institutions were closed under the Dissolution of the Monasteries. The city became a service centre in this period.    

The railways arrived in the city in 1839, and it became a major railway centre by the end of 9th century. George Hudson, railway promoter was responsible for introducing the railway in the city. The engineering industry flourished with the arrival of railways in the city. The city is home to the North Eastern Railway and provided job to more than 5500 people. The two major industries emerged in 1900 are railways and confectionery. The National Railway Museum was built in the city in 1975 and brought prosperity to the city with the emergence of the tourism industry. The historic core of the city was marked as a conservation area in 1968.