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NULL NOT NULL
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Classroom Contents
SQL Querying for Beginners Tutorial
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- 1 Start
- 2 Introduction
- 3 Introduction to SQL
- 4 Installing SQL Server
- 5 SQL Keyword Command Language and Hierarchy
- 6 Connecting to a SQL Database
- 7 Creating and Saving a Query
- 8 Using One or More Query Conditions
- 9 Applying AND OR Operators
- 10 NULL NOT NULL
- 11 Range of Values
- 12 Querying Data Using Wildcard Characters
- 13 Formatting Column Headings with Aliases
- 14 Formatting Query Data Results
- 15 Performing Date Calculations - DateDifDateAdd
- 16 Summarizing Data Using Aggregate Functions AVG COUNT SUM min max
- 17 Manipulating Text Results with String Functions CONCAT_SUBSTR
- 18 Sorting Data Order BY and GROUPBY
- 19 RANK and HAVING
- 20 Mathematical Financial Expressions
- 21 PIVOT
- 22 JOIN
- 23 Union ALL
- 24 Except Clause
- 25 Sub Queries
- 26 Exports
- 27 Conclusion
