SQL Language

GB Direct

Course

In London

£ 1,255 + VAT

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Description

  • Type

    Course

  • Location

    London

SQL is an industry-standard language for accessing mainframe, midrange and LAN-based, multi-user relational databases. This course will teach the student how to read and write good SQL for querying, updating and maintaining SQL databases.

Facilities

Location

Start date

London
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Clerks Court 18-20 Farringdon Lane Clerkenwell, EC1R 3AU

Start date

On request

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Subjects

  • SQL
  • IT

Course programme

Introduction to Relational Databases

  • The need for an SQL standard
  • The ANSI standards
  • What is a database?
  • What is a relational database?
  • Components of a relational database
  • Normalised data
  • Anatomy of a table
  • Primary and foreign keys
  • Joins
  • Components of SQL

Data Manipulation Language

  • SELECT operations
  • DISTINCT
  • Virtual columns
  • Column aliases
  • Functions
  • Restricting the rows returned
  • Multiple conditions
  • Ordering data
  • Inserting rows
  • Updating rows
  • Deleting rows

Joining tables

  • The theory of joining tables
  • Cross, Inner, Outer, Full, Left and Right
  • Composite joins
  • Table aliases

Data Definition Language

  • Data types
  • Column attributes
  • Create table
  • Primary and foreign keys
  • Referential integrity
  • Alter and drop tables

Views

  • Defining simple views
  • Views with virtual columns
  • Restricted-column views
  • Joined-table views
  • Restricted-row views
  • View restrictions

Summarised Queries

  • Table aggregates
  • GROUP BY and aggregates
  • The HAVING clause

Subqueries

  • Using simple Subqueries
  • EXISTS
  • Correlated Subqueries

Set Operations

  • Union
  • Intersect
  • Except/Minus

See related categories

SQL Language

£ 1,255 + VAT

The best SQL Server courses

See all

See all