By the end of this section, you will be able to:
- Describe the structure of a SQL query
- Query a table to retrieve existing data
- Filter data in a query using basic operators, including:
SELECT
,FROM
,WHERE
,AND
,BETWEEN
,NOT BETWEEN
,>
,<
,=
,!=
, andDISTINCT
- Explain how to read an entity relationship diagram (ERD)
- No SQL experience needed! Welcome!
By the end of this section, you will be able to:
- Rename a column and table using an alias
- Join tables to retrieve data across a database
- Display data using the arithmetic operators
+
,-
,*
/
and%
- Display data using the aggregate functions
COUNT
,MIN
,MAX
andAVG
- Filter aggregated data using
HAVING
andGROUP BY
- Change the display of data using
NULL
andCASE
You can complete the 3 assessment items for the Beginning Workshop.
You can choose to work through one of the options, or try all three. Have fun.
You can complete the 4 assessment items for the Intermediate Module