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SQL Basics

LEVEL: Basic
This training has been designed for people who want to get familiar with SQL. You will learn how SQL works and how to write proper SQL statements using practical examples that will be useful for your daily work.
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Course Topics

Day 1

  • History of SQL and PostgreSQL
  • Connecting to the server with “psql, pgAdmin and other clients
  • How to use psql
  • SQL syntax elements: keywords, identifiers, constants

Data types

  • numbers
  • strings
  • date/time
  • binary data

The NULL value

Basic CREATE TABLE

  • NOT NULL
  • DEFAULT

Schemas

Day 2

Basic INSERT

Basic DELETE

Temporary tables

 Constraints:

  • CHECK
  • PRIMARY KEY
  • UNIQUE
  • FOREIGN KEY constraints
  • Cascading delete

ALTER TABLE

Sequences, serial, identity columns

Day 3

Basic SELECT: the SELECT list

  • Aliases
  • Aggregates, FILTER
  • DISTINCT
  • CASE
  • COALESCE

SELECT: the FROM clause

  • Table functions
  • JOIN
    • CROSS JOIN
    • INNER JOIN
    • OUTER JOIN

SELECT: the WHERE clause

  • BETWEEN
  • IN (with lists and subqueries)
  • EXISTS / NOT EXISTS

SELECT: the GROUP BY clause, HAVING

SELECT: the ORDER BY clause

SELECT: LIMIT and OFFSET

UNION, EXCEPT, INTERSECT

UPDATE, UPDATE … FROM

DELETE … USING

INSERT … SELECT

INSERT … ON CONFLICT

Views

Day 4

COPY

Database Design und Normalization

Transactions

  • Deferred Constraints

SQL Injection and Security

Advanced SELECT

  • LATERAL Joins
  • Grouping Sets
  • Window Functions
  • Common Table Expressions (CTE)

Course INFO

Level Basic

No knowledge needed beforhand. Beginners welcome.

Language

English or German

Duration

4 Days

Location & Date

Currently there is no date and time available for this certain training, if you are interested please contact us.
Contact us
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CYBERTEC PostgreSQL International GmbH
Römerstraße 19
2752 Wöllersdorf
Austria

+43 (0) 2622 93022-0
office@cybertec.at

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