PostrgreSQL Basic course
Comarch SA
2 days • Live online • Hands-on labs • Official certificate
Summary
- Certification on completion - Free
- Training completion exam (included in price)
- Tutor is available to students
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Dates
Overview
Certificates
Assessment details
Training completion exam
Included in course price
If You have any question feel free to ask.
Course media
Description
Presentation of the objectives and scope of the training
Licensing principles - open source
Features distinguishing PostgreSQL from other database servers
PgAdmin application
Basics of the relational model of data organization
Concept of a database server
Server objects:
- Bases
- Tablespaces
- Schemas
- Roles
SQL language - selecting the data
Overlay software for performing queries
Creating simple queries
- Keywords
- Command syntax
- Using aliases for columns and tables
Sorting data
Using functions in queries
Single line functions
Group functions
Filtering on aggregation results
Selecting data from multiple tables
- Ways of joining tables
Types of joins
Equi-join
Non-equi-join
Outer-join:
- left-joined,
- right-handed,
- both sides
Self-join
Collective exercises
Bulk operations on query results
- Sum
- Intersection
- Difference
- Subqueries
- The role of subqueries
- Query decomposition
- Location of subqueries
Simple subqueries
Multiple times nested subqueries
Correlated subqueries
Data Manipulation Language (DML)
- Insert
- Update
- Delete
DML operations based on query results
Transactions
- The idea of transactivity of operations
- Commit
- Rollback
- Savepoint
Repetition of material on key operations in SQL
Additional questions from participants
Training summary
Test
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Who is this course for?
The training is designed for people who use databases as a source of information when constructing a variety of reports, analyzing data and developing applications.
Requirements
No technical background is required. A basic command of internet tools is sufficient to benefit from this course.
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Legal information
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