SQL by example

Data query language for relational databases: from simple examples to complex tricks
  • Lesson 1
    What is SQL and what are we going to learn
    November 5, 2020
    114
  • Lesson 2
    What is a database and how to create it
    November 5, 2020
    134
  • Lesson 3
    How to create a table — entities a database consists of
    November 6, 2020
    130
  • Lesson 4
    Create, read, update, delete
    November 6, 2020
    144
  • Lesson 5
    How to create one or multiple records in a table
    November 6, 2020
    128
    5
  • Lesson 6
    How to query records from a table
    November 6, 2020
    119
  • Lesson 7
    How to update previously created data in a table
    November 6, 2020
    132
  • Lesson 8
    How to delete data from a table
    November 6, 2020
    126

More lessons are coming soon!

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