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 High Wycombe

High Wycombe is an English town in the county of Buckinghamshire with a population of around 124,475 in 2015 according to ONS official estimates.it is also commonly known as Wycombe. It is the second largest town lies 27 miles southeast of Oxford, 29 miles northwest of London and 23 miles northeast of Reading. The wealth of the town is primarily based on the production of the furniture. The town is considered as a blend of both market and industrial town. The city consists an unparished area lies in the district of Wycombe and not covered by an administrative division of local government. The civil parish area of the town depicts the ancient parish of Chepping Wycombe and had a population of around 14000 in 2001 census. The part of the urban area is not covered under the control of municipal borough of the town. The town is surrounded by various suburbs including Bowerdean, Cressex, Terriers, Booker and Wycombe Marsh.

History

It has been proposed that the name of Wycombe was first recorded as Wichama in 799-802 meaning the dwellings. Some stated that the name originated from the Wye River and a wooded valley combe. The Roman villa dates back to the 150-170 AD was found during the excavation executed in 1954. The town is the birthplace of the 19th century notable Prime Minister Benjamin Disraeli. The early settlement of the town was first recorded as Wicumun in 970. The market borough status was granted to the town in the 12th century, and the first moot hall, meeting or assembly building for deciding local issues was first built in 1226.

During the Middle Age and Tudor period, the town was considered as a mill town, focused on the manufacturing of the lace and linen cloth. The town served as a halting point for travellers coming from Oxford to London and travellers used to stay in the lodges and motels. Due to the richness of chalk in the water of River Wye, the paper industry flourished in the 17th and 18th century. Later on, the cloth industry replaced the paper industry. The furniture factories started setting up their base all over the town and most popular furniture industry, Windsor chairs took possession in the 19th century. Large terraced houses were constructed to accommodate the workforce engaged in the furniture factories.

Many locally made chairs and the useful information on the lace industries and local furniture is displayed and restored in the Wycombe Museum. The social and economic condition of the city was completely dependent on the furniture industry. The decline of the furniture industry in 1960 brought significant social problems and unemployment in the town. A large number of housing areas were fallen into slums and even completely demolished under the slum clearance scheme in 1932. The girls’ school of the town became a base for 8th Air Force Bomber Command during the Second World War, later on, the site became their headquarters in 1944.

Recently, many redevelopment projects have planned in the town including the expansion of existing shopping centre, construction of multi-story car parks, redevelopment of the town centre and Buckinghamshire New University and completion of the new Eden Shopping centre. These developments further stimulated the construction of new multimillion-pound hotel and Sainsbury store next to the Eden shopping centre.

Education

The town follows a selective educational system based on the tripartite system of education in England and Northern Ireland. There are several primary, secondary and independent schools in the town. Among those, few are Booker Hill Combined School, Marsh Infants School, Cressex Community School, Wycombe High School, Crown House School and Wycombe Abbey. The town is served by Amersham and Wycombe College and Buckinghamshire New University for further and higher education. The main campus of the new university lies on the former site of College of Art and Technology of High Wycombe.