Oracle SQL Intermediate - Data Extraction Training Course

Course CodeCourse Code

osqlide

Duration Duration

14 hours (usually 2 days including breaks)

Requirements Requirements

Recommended attendance on the "Oracle SQL for Beginners - Data Extraction" training course

Course OutlineCourse Outline

Limiting results

  • The WHERE clause
  • Comparison operators
  • LIKE Condition
  • Prerequisite BETWEEN ... AND
  • IS NULL condition
  • Condition IN
  • Boolean operators AND, OR and NOT
  • Many of the conditions in the WHERE clause
  • The order of the operators.
  • DISTINCT clause

SQL functions

  • The differences between the functions of one and multilines
  • Features text, numeric, date,
  • Explicit and implicit conversion
  • Conversion functions
  • Nesting functions
  • Viewing the performance of the functions - dual table
  • Getting the current date function SYSDATE
  • Handling of NULL values

Aggregating data using the grouping function

  • Grouping functions
  • How grouping functions treat NULL values
  • Create groups of data - the GROUP BY clause
  • Grouping multiple columns
  • Limiting the function result grouping - the HAVING clause

Subqueries

  • Place subqueries in the SELECT command
  • Subqueries single and multi-lineage
  • Operators Subqueries single-line
  • Features grouping in subquery
  • Operators Subqueries multi-IN, ALL, ANY
  • How NULL values ​​are treated in subqueries

Operators collective

  • UNION operator
  • UNION ALL operator
  • INTERSECT operator
  • MINUS operator

Further Usage Of Joins

  • Revisit Joins
  • Combining Inner and Outer Joins
  • Partitioned Outer Joins
  • Hierarchical Queries

Further Usage Of Sub-Queries

  • Revisit sub-queries
  • Use of sub-queries as virtual tables/inline views and columns
  • Use of the WITH construction
  • Combining sub-queries and joins

Analytics functions

  • OVER clause
  • Partition Clause
  • Windowing Clause
  • Rank, Lead, Lag, First, Last functions

Retrieving data from multiple tables (if time at end)

  • Types of connectors
  • The use NATURAL JOIN
  • Aliases tables
  • Joins in the WHERE clause
  • INNER JOIN Inner join
  • External Merge LEFT, RIGHT, FULL OUTER JOIN
  • Cartesian product

Aggregate Functions (if time at end)

  • Revisit Group By function and Having clause
  • Group and Rollup
  • Group and Cube

Bookings, Prices and EnquiriesBookings, Prices and Enquiries

Guaranteed to run even with a single delegate!
Private Classroom
 
Private Classroom
Participants are from one organisation only. No external participants are allowed. Usually customised to a specific group, course topics are agreed between the client and the trainer.
Private Remote
From £2200
Private Remote
The instructor and the participants are in two different physical locations and communicate via the Internet. More Information

The more delegates, the greater the savings per delegate. Table reflects price per delegate and is used for illustration purposes only, actual prices may differ.

Number of Delegates Private Remote
1 £2200
2 £1550
3 £1333
4 £1225
Public Classroom
From £2500
(107)
Public Classroom
Participants from multiple organisations. Topics usually cannot be customised

The more delegates, the greater the savings per delegate. Table reflects price per delegate and is used for illustration purposes only, actual prices may differ.

Number of Delegates Public Classroom
1 £2500
2 £1725
3 £1467
4 £1338
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Related Categories

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Upcoming Courses

VenueCourse DateCourse Price [Remote / Classroom]
Edinburgh Training and Conference VenueMon, 2018-02-05 09:30£2200 / £2350
SheffieldTue, 2018-02-06 09:30£2200 / £2600
Bradford - Carlisle Business CentreTue, 2018-02-06 09:30£2200 / £2700
CardiffMon, 2018-02-12 09:30£2200 / £2800
Birmingham Mon, 2018-02-12 09:30£2200 / £2850

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