sql basics

  1. S

    ?SQL Masterclass: SQL for Data Analytics ( 7.5 Hours )?

    VALID ONLY FOR 1 DAY!!! What you'll learn Knowledge of all the essential SQL commands Become proficient in SQL tools like GROUP BY, JOINS and Subqueries Become competent in using sorting and filtering commands in SQL Master SQL's most popular string, mathematical and date-time functions...
  2. Phoenixagent

    Sql for dummies - Learn sql from scratch.

    The secret is SQL, and once you get the hang of that, you can build relational databases and get valuable information into and out of them with ease. Here's how to structure a database management system with SQL, implement the design, protect your data, access and work with it, maintain your...