SQL – the language of access to database Oracle

Oracle Database Server
    Start hour

      SQL – the language of access to database ORACLE

      You will understand on what basis does the Oracle database!

      The training course SQL - the language of access to database Oracle will allow you to leverage the potential of the Oracle database. As a result of the training, you will learn how to create queries and construct relational databases, as well as understand the principles of data security that will help you take better care of your company's interests!

      The course is intended for all who work with software based on Oracle relational database, want to know the mechanisms of its action and learn how to select interesting information from database.

      Full programm

      Training objectives

      This course aims to familiarize participants with the construction of relational databases, acquainted with the SQL language, knowledge of advanced search options, become familiar with the architecture of a client-server. Participants learn about the creation of structures for data storage and data insertion and management. In addition, training includes issues regarding the efficiency of operations and data security.


      After completion of the course:

      • participant should understand on what basis does the Oracle database, 
      • participant should be able to select information and edit the data in the database,
      • participant will know the basic rules for performance and security,
      • participant should know the organization and be able to manage data structures in the schemas. 
      Audience profile

      The course is intended for all who work with software based on Oracle relational database, want to know the mechanisms of its action and learn how to select interesting information from database.


      The trainees have to know the Windows environment.

      2 days, 16 hours
      Training delivery method

      The training is carried out in the form of theoretical part in the form of mini lectures and the practical part in the form of computer exercises.

      Theoretical and practical knowledge

      Relational data model

      • User schemas
      • Fundamental data structures
      • Relationships between the structures

      SQL queries – data selection
      Graphical tools for data selection

      • Keywords
      • Statement
      • Aliases for columns and tables

      Functions in queries

      • Single-row functions
      • Group functions
      • Data types conversion

      Retrieving data from multiple tables
      Methods of joining tables
      Types of joins

      • equi-join
      • non-equi-join
      • outer-join
      • self-join

      Set operators 

      • Union
      • Intersect
      • Minus


      • Noncorrelated
      • Correlated

      Data Manipulation Language (DML)

      • Insert
      • Update
      • Delete
      • DML operations on the basis of query results


      • Concept of transaction
      • Commit
      • Rollback
      • Savepoint

      Data Definition Language (DDL)

      • Data types
      • Creation of tables
      • Creation of tables on the basis of queries
      • Manage of tables
      • Concept of keys
      • Integrity constraints

      Concept of view
      Sequence and their application
      Data indexing

      • Application
      • Indexes created manually and automatically
      • Manage of indexes

      Users and manage of schemas
      Privileges and roles

      • Object and system privileges
      • Manage of privileges
      • Transfer privileges
      • Synonyms

      Development path

      Please choose another course from: comarch.com/training or check training:

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      Our trainers

      • Krzysztof Czajkowski 

        He has several years of teaching and training experience, the main area of ​​training specialization is the application and administration of the Oracle database. He also teaches PostreSQL, MySQL and SQL syntax in MS SQL Server databases.


        Sylwester Woźniak
        Sylwester Woźniak


        +48 12 687 78 11

        +48 608 646 465