SQL Cram Kit
Week 6 – SELECT, FROM, & DISTINCT
4 Concepts
What is SQL?
SELECT
FROM
DISTINCT
Week 7 – WHERE
3 Concepts
WHERE
Comparison Operators
Logical Operators
Week 8 – JOIN
3 Concepts
JOIN
Primary Keys
Foreign Keys
Week 9 – Aggregate functions
3 Concepts
COUNT
SUM
AVG
Week 10 – GROUP BY, HAVING, & ORDER BY
3 Concepts
GROUP BY
HAVING
ORDER BY
Troubleshooting common errors
3 Concepts
ERROR: not a single-group function
ERROR: ambiguous column name
ERROR: syntax error
Practice SQL Exam
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Week 6 – SELECT, FROM, & DISTINCT
SQL Cram Kit
Week 6 – SELECT, FROM, & DISTINCT
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What is SQL?
SELECT
FROM
DISTINCT
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