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Module 1: Introduction to querying Snowflake
12 Lessons-
StartModule introduction
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StartWhat is Snowflake?
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StartWhat is SQL?
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StartTypes of SQL statements
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StartWhat are databases?
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StartSnowflake accounts and databases
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StartConnecting to Snowflake
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StartWhat is Snowsight?
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StartConnecting to popkornkraze
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StartWhat is Snowflake CLI?
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StartFinding help and examples for SQL syntax
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StartQuiz 1: Introduction to querying Snowflake
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Module 2: Querying a single table
16 Lessons-
StartModule introduction
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StartWhat are tables?
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StartFinding out what's in a table
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StartWhat are schemas?
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StartWhat is Popkorn Kraze ?
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StartSELECT statements
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StartUsing aliases for columns and tables
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StartQuoting (delimiting) names
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StartUsing 2-part and 3-part names
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StartORDER BY clause
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StartRestricting output with OFFSET, FETCH and LIMIT
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StartRemoving duplicates with DISTINCT
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StartQuerying literals, expressions and functions
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StartLab 2: Querying a single table
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StartLab 2: Answers
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StartQuiz 2: Querying a single table
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Module 3: Filtering the rows to return
13 Lessons-
StartModule introduction
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StartFiltering output with the WHERE clause
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StartFinding patterns with LIKE and ILIKE
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StartLogical operations with AND, OR, and NOT
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StartLogical values withe boolean data type
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StartRanges of values with the BETWEEN operator
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StartChecking lists of values by using the IN operator
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StartLimiting output rows by using FETCH or LIMIT
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StartWorking with NULL values (the lack of data)
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StartWhat are user-defined functions?
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StartLab 3: Filtering the rows to return
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StartLab 3: Answers
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StartQuiz 3: Filtering the rows to return
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Module 5: Querying numbers
10 Lessons -
Module 6: Querying strings
15 Lessons-
StartModule introduction
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StartString data types
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StartLiteral string values
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StartString operators
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StartTrimming strings with LTRIM, RTRIM, and TRIM
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StartChanging case with UPPER, LOWER
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StartExtracting parts of strings with LEFT, RIGHT, SUBSTRING
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StartDetermining the length of strings
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StartReplace substrings
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StartDuplicating strings with REPEAT
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StartFinding substrings with POSITION
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StartExtracting delimited string tokens
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StartReplacing characters with TRANSLATE
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StartLab 6: Querying strings
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StartQuiz 6: Querying strings
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Module 7: Querying dates and times
17 Lessons-
StartModule introduction
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StartDate and time data types
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StartLiteral date and time values
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StartCurrent date and time
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StartExtracting components from date and time values
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StartAdding and subtracting date and time values
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StartCalculating date and time differences
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StartConstructing dates and times from components
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StartTruncating dates and times
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StartCalculating relative dates
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StartCalculating ages
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StartCalculating beginning and end of month
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StartChanging time zone offsets
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StartFormatting date and time values
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StartLab 7: Querying dates and times
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StartLab 7: Answers
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StartQuiz 7: Querying dates and times
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Module 8: Converting between data types
12 Lessons-
StartModule introduction
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StartReplacing NULL values with COALESCE
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StartReturning NULL When Equal with NULLIF
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StartComparing NULL values using IS DISTINCT FROM
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StartImplicit vs explicit conversions
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StartConverting data types with CAST function
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StartSafe conversion with TRY_CAST function
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StartConverting data types with CAST operator
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StartConverting data types with conversion functions
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StartOther common data types
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StartLab 8: Converting between data types
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StartQuiz 8: Converting between data types
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Module 9: Aggregating data
13 Lessons-
StartModule introduction
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StartCounting rows with COUNT and COUNT_IF
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StartSummarizing data with common aggregates
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StartSummarizing data in sections with GROUP BY
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StartFiltering returned groups with HAVING
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StartUnderstanding logical query execution order
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StartNumbering rows with window functions
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StartPartitioning ranking and numbering with PARTITION BY
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StartRetrieving one row from each group with ANY_VALUE
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StartOther interesting aggregates
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StartLab 9: Aggregating data
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StartLab 9: Answers
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StartQuiz 9: Aggregating data
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Module 10: Implementing logic in scripts
12 Lessons-
StartModule introduction
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StartUsing conditional expressions with CASE and IFF
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StartSimplifying conditionals with GREATEST, LEAST
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StartDefining variables and assigning values
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StartQuerying system functions
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StartAdding conditional logic with IF, ELSE
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StartCreating loops with WHILE
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StartCreating loops with FOR
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StartCreating loops with REPEAT UNTIL
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StartCreating infinite loops with LOOP
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StartLab 10: Implementing logic in scripts
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StartLab 10: Answers
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Module 11: Querying multiple tables
14 Lessons-
StartModule introduction
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StartUsing CROSS JOIN
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StartWhat is a primary key?
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StartWhat is a foreign key?
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StartUsing INNER JOIN
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StartUsing modern join syntax
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StartUsing LEFT OUTER JOIN
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StartOther OUTER join types
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StartJoining more than two tables
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StartJoining a table to itself (self join)
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StartJoins without equality (non-equi joins)
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StartLab 11: Querying multiple tables
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StartLab 11: Answers
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StartQuiz 11: Querying multiple tables
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Module 12: Applying set operations to tables
8 Lessons -
Module 13: Using subqueries
12 Lessons-
StartModule introduction
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StartUsing subqueries
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StartUsing scalar subqueries
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StartUsing lists from subqueries
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StartChecking for existence with EXISTS subqueries
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StartUsing set-returning subqueries
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StartUsing VALUES row constructors
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StartSimplifying queries with common table expressions (CTEs)
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StartUsing multiple CTEs in a single query
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StartLab 13: Using subqueries
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StartLab 13: Answers
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StartQuiz 13: Using subqueries
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Module 14: Working with stored procedures and catalog views
7 Lessons -
Module 15: Modifying data
15 Lessons-
StartModule introduction
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StartInserting data into a table
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StartInserting multiple rows at once with VALUES
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StartWhat are default constraints?
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StartWhat are identity columns?
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StartWhat is a unique constraint?
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StartDeleting rows from a table
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StartInserting rows with data from another table
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StartSelecting rows into a new table
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StartTruncating a table vs deleting all rows
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StartUpdating data in a table
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StartMerging data into a table
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StartLab 15: Modifying data
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StartLab 15: Answers
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StartQuiz 15: Modifying data
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Writing SQL Queries for Snowflake®
Creating reports, analytics, or applications? And need to get data out of Snowflake? Learn to write SQL queries like a pro !
Course Summary
Do you need to learn how to write SQL queries for Snowflake?
- You know that the information that you need is stored in a Snowflake database
- You need to find some data to extract it
- You need to create reports with reporting tools
- You are using analytic tools like Power BI, Tableau, QlikView, Excel, or Access and need to get data from Snowflake
- You want to learn to write queries properly, using commercial coding standards
- You are new to writing queries, or you are self-taught and want to make sure you are doing it correctly
We encourage you to complete the practical exercises. We have tried to make this as easy as possible. You should be able to do this entire course with a trial Snowflake account.
