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Tag > NULL

Exercise #26
More tags: AVG, PC, exercise 26, laptop, mistakes
Exercise #30
Exercise #37
Exercise #70
Exercise #55 [1,2,3]
Exercise #32
Exercise #(-2) (tips and solutions) [1,2]
Exercise #60 (tips and solutions)
Using NULL value in the search conditions
More tags: CASE, IS NULL, UNKNOWN
CASE statement
More tags: CASE, COALESCE, NULLIF
Once more about NULL values [1,2,3]
Three-valued logic and WHERE clause
NOT IN predicate
More tags: J. Celko, NOT IN, UNKNOWN, WHERE
FULL JOIN and MySQL
More tags: FULL JOIN, MySQL, UNION
The sorting and NULL values [1,2,3]
CONCAT function
Default values

Tags
aggregate functions Airport ALL AND AS keyword ASCII AVG Battles Bezhaev Bismarck C.J.Date calculated columns Cartesian product CASE cast CHAR CHARINDEX Chebykin check constraint classes COALESCE common table expressions comparison predicates Computer firm CONSTRAINT CONVERT correlated subqueries COUNT CROSS APPLY CTE data type conversion data types database schema date/time functions DATEADD DATEDIFF DATENAME DATEPART DATETIME DDL DEFAULT DEFAULT VALUES DELETE DISTINCT DML duplicates equi-join EXCEPT exercise (-2) exercise 19 More tags
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