Publication date : 02/28/2024
Course : SQL for PostgreSQL
Practical course - 3d
- 21h00 - Ref. SGS
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 | Get an overview of DBMSs |
| Understanding the PostgreSQL database |
| Create simple and complex queries |
| Handling internal and external joins |
| Using regular expressions |
| Window functions |
Intended audience
Anyone wishing to use SQL in PostgreSQL.
Prerequisites
Basic computer skills.
Course schedule
1 General introduction to DBMS
- Notion of DBMS.
- Database Management System (DBMS) and work environment.
- The relational model.
- Defining a relationship.
- Primary and foreign keys.
- Integrity constraints.
- The diagram of a relationship and a comic strip.
2 Tools and types in PostgreSQL
- Launching the psql tool.
- Internal psql commands.
- Script execution.
- Types used in PostgreSQL.
- Character strings, constants, numeric constants, DATE / TIMESTAMP / INTERVAL constants.
Hands-on work
Internal commands and script execution with psql.
3 Introduction to SQL
- Different categories of statements in SQL.
- Introduction to SELECT.
- Create tables and views.
- Introduction to update instructions: INSERT, UPDATE, DELETE.
- Using sequences.
- Introduction to transactions.
Hands-on work
SELECT instructions, table creation, update instructions.
4 Single table consultation
- Prefixes, aliases and operators.
- Sorting and deleting duplicates.
- FETCH / LIMIT / OFFSET.
- Using functions.
- NULL value.
- Aggregates.
- Grouping: GROUP BY, HAVING.
Hands-on work
Set up comprehensive queries, covering all the points discussed.
5 Multi-table queries
- Join and Cartesian product, different syntaxes.
- External joints.
- Nested queries, IN / EXISTS operators.
- Multicolumn and multiline comparisons: nested comparisons and queries, ANY, ALL and SOME operators.
- Set operators: union, difference, intersection.
- Nested FROM queries.
- Use of CTE (WITH clause).
- The division.
Hands-on work
Create nested joins and queries.
6 Advanced features
- Special types: ENUM, TABLES, RANGES.
- Use regular expressions and the SIMILAR operator.
- Introduction to Window functions, OVER() clause.
Hands-on work
Execute queries with special types.
Customer reviews
4,5 / 5
Customer reviews are based on end-of-course evaluations. The score is calculated from all evaluations within the past year. Only reviews with a textual comment are displayed.
ESTELLE C.
19/11/25
5 / 5
The content and format of the course were very good in my opinion. A little more practical exercises would be welcome, but the trainer's explanations and demonstrations were very clear.
CORALIE L.
19/11/25
4 / 5
a little more time to do the exercises
EMIRA F.
19/11/25
4 / 5
Satisfactory (perhaps I would have liked a bit more practice).
PARTICIPANTS
Anyone wishing to use SQL in PostgreSQL.
PREREQUISITES
Basic computer skills.
TRAINER QUALIFICATIONS
The experts leading the training are specialists in the covered subjects. They have been approved by our instructional teams for both their professional knowledge and their teaching ability, for each course they teach. They have at least five to ten years of experience in their field and hold (or have held) decision-making positions in companies.
ASSESSMENT TERMS
The trainer evaluates each participant’s academic progress throughout the training using multiple choice, scenarios, hands-on work and more.
Participants also complete a placement test before and after the course to measure the skills they’ve developed.
TERMS AND DEADLINES
Registration must be completed 24 hours before the start of the training.
ACCESSIBILITY FOR PEOPLE WITH DISABILITIES
Do you need special accessibility accommodations? Contact Mrs. Fosse, Disability Manager, at psh-accueil@orsys.fr to review your request and its feasibility.
Anyone wishing to use SQL in PostgreSQL.
PREREQUISITES
Basic computer skills.
TRAINER QUALIFICATIONS
The experts leading the training are specialists in the covered subjects. They have been approved by our instructional teams for both their professional knowledge and their teaching ability, for each course they teach. They have at least five to ten years of experience in their field and hold (or have held) decision-making positions in companies.
ASSESSMENT TERMS
The trainer evaluates each participant’s academic progress throughout the training using multiple choice, scenarios, hands-on work and more.
Participants also complete a placement test before and after the course to measure the skills they’ve developed.
TEACHING AIDS AND TECHNICAL RESOURCES
• The main teaching aids and instructional methods used in the training are audiovisual aids, documentation and course material, hands-on application exercises and corrected exercises for practical training courses, case studies and coverage of real cases for training seminars.
• At the end of each course or seminar, ORSYS provides participants with a course evaluation questionnaire that is analysed by our instructional teams.
• A check-in sheet for each half-day of attendance is provided at the end of the training, along with a course completion certificate if the trainee attended the entire session.
• The main teaching aids and instructional methods used in the training are audiovisual aids, documentation and course material, hands-on application exercises and corrected exercises for practical training courses, case studies and coverage of real cases for training seminars.
• At the end of each course or seminar, ORSYS provides participants with a course evaluation questionnaire that is analysed by our instructional teams.
• A check-in sheet for each half-day of attendance is provided at the end of the training, along with a course completion certificate if the trainee attended the entire session.
TERMS AND DEADLINES
Registration must be completed 24 hours before the start of the training.
ACCESSIBILITY FOR PEOPLE WITH DISABILITIES
Do you need special accessibility accommodations? Contact Mrs. Fosse, Disability Manager, at psh-accueil@orsys.fr to review your request and its feasibility.
Dates and locations
Dernières places
Date garantie en présentiel ou à distance
Session garantie