Oracle SQL for beginners Training Course

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Course Language

This course is delivered in Polish or English.

Course Code

osqlbgn

Duration Duration

21 hours (usually 3 days including breaks)

Requirements Requirements

  • Computer literacy
  • Knowledge of any operating system

Overview Overview

Listeners

This training is addressed for people starting to work with the SQL language in Oracle database

The course answer for questions:

  • How to build a query?
  • What possibilities have SQL?
  • What is a relational database?
  • What is the structure and SQL commands

Course Outline Course Outline

Relational database models

  • The structure of a relational database
  • Connection types of tables
  • The normalization and denormalization database
  • Relational Operators

Download the data

  • Rules for writing SQL queries
  • The syntax for the SELECT
  • Selecting all columns
  • Inquiries from arithmetic operations
  • Aliases columns
  • Literals
  • Concatenation operator

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

Sorting Data

  • The ORDER BY clause
  • Sorting by multiple columns or expressions

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

  • 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

Retrieving data from multiple tables

  • 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

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

Insert, update, and delete data

  • INSERT command
  • Copy data from another table
  • UPDATE command
  • DELETE command
  • TRUNCATE command

Transactions

  • Commands COMMIT, ROLLBACK, and SAVEPOINT

DDL commands

  • The main database objects
  • Rules for naming objects
  • Creating tables
  • The data types available for columns
  • DEFAULT option
  • Option NULL and NOT NULL

Managing tables

  • Referential integrity CHECK, PRIMARY KEY, FOREIGN KEY, UNIQUE
  • Create a table by the query
  • Delete a table DROP TABLE
  • DESCRIBE command

Other schema objects

  • Sequences
  • Synonyms
  • Views

Guaranteed to run even with a single delegate!
Public Classroom Public Classroom
Participants from multiple organisations. Topics usually cannot be customised
From 2148PLN
(80)
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.
From 2148PLN
Request quote
Private Remote Private Remote
The instructor and the participants are in two different physical locations and communicate via the Internet
From 4800PLN
Request quote

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 Private Classroom Private Remote
1 2148PLN 2148PLN 4800PLN
2 1974PLN 1974PLN 3300PLN
3 1916PLN 1916PLN 2800PLN
4 1887PLN 1887PLN 2550PLN
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