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Which course is right for you? This tool allows you to compare any class or certificate program in our catalogue with the important information you need to make the right decision.

Key Information
SQL Level II
$350 6 Hours
Overview
Build on your knowledge of SQL fundamentals and enhance your skills to filter, group, and analyze data in this intermediate SQL course.
Prerequisite
SQL proficiency equivalent to our SQL Level 1 course is required, including basic querying, fundamentals of filtering (WHERE, LIKE, BETWEEN), and inner JOINs.
Location
185 Madison Avenue, NYC or Live Online
Schedule
Next start date: May 21 & 23, Tuesday & Thursday, 6–9pm
Other scheduling options Evenings or weekdays
View full schedule
Certification
Free Retake Within 1 Year See our class policies for more details
Workbook Included
Financing See our Leif FAQ for more details
Target Audience
Anyone
What You’ll Learn
  • Learn to use Outer Joins and find NULL data
  • Group data and perform common statistical calculations using Aggregate Functions
  • Filter grouped data with HAVING
  • Use CAST to make a data type fit your query’s needs
  • Work with dates and time

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