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You have completed Reporting with SQL!
You have completed Reporting with SQL!
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Let's practice the new keywords, operators and functions you've learned in this section.
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then you can practice them in this SQL
playground associated with this video.
0:00
Let's start with all
the functions you've learned.
0:03
[SOUND] We've used the COUNT
function to count the number
0:05
of rows depending on
the queries we've created.
0:09
Remember that when giving
a specific column name,
0:12
count won't include rows with null values.
0:15
Use a star or asterisk to get all rows.
0:18
The sum function is used to sum all
the numeric values in a column.
0:22
We use this to get various
totals from the orders table.
0:28
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