This course is perfect for those who wish to gain a comprehensive understanding of how the Oracle Structured Query Language (SQL) is used for data retrieval and reporting.
This course is suitable for all recent versions of Oracle including 12c, 18c, and 19c.
Delegates should be computer literate with a good knowledge of the standard editor available on their target hardware platform.
3 days. Hands on.
NOTE: This course may be combined with any of the following specialisations: Oracle SQL Tuning, Oracle SQL Extended or Oracle SQL Analytics and run over a total of four days, please contact us for more information.
This course introduces delegates to the concepts of relational databases and provides an in-depth look at SQL in order to retrieve and manipulate data from an Oracle database.
This course provides the perfect prerequisite knowledge to embark on training for Oracle PL/SQL Programming, developer components such as Application Express or administrative roles such as Oracle Database Administration.
On completion of the course, delegates will be able to:
- Utilise the SQL language to retrieve data from an Oracle database
- Use the SQL Developer tool
- Edit, store and recall queries, format results, and create standard queries and reports
Introduction to RDBMS and Oracle
Relational database theory
Overview of oracle
ISO (incorporating ANSI and BSI) standards
Oracle background processes
Filtering by rows and columns
Filtering for distinct or unique values
Use of the Between, Like & In operators
Handling Null values
Filtering with a compound Where clause
Perform a calculation
Use of column alias
Inner joins (Pre and Post SQL99)
Outer joins (Pre and Post SQL99)
Combining inner and outer joins
Aggregate Summary functions
Group By clause
Case statement examples
Decode vs. Case
Introduction to Data Management
Insert via a Select clause
Use of Oracle Data Dictionary
Introduction To Analytic Functions
Cube, rollup & grouping
Partitioned outer join
Analytic Summary Functions
Introduction To Basic SQL Tuning
Overview Of Explain Plan Facility
Overview of Indexes