![]() For more information, see Section B.3.4.3, “Problems with NULL Values”. Be aware that the NULL value is different from values such as 0 for numeric types or the empty string for string types. MySQL Workbench enables a DBA, developer, or data architect to visually design, model, generate, and manage databases. These include strings, numbers, hexadecimal and bit values, boolean values, and NULL.The section also covers various nuances that you may encounter when dealing with these basic types in MySQL. This section describes how to write literal values in MySQL. The constant names can be written in any lettercase. You can add an index on a column that can have NULL values if you are using the MyISAM, InnoDB, or MEMORY storage engine. The constants TRUE and FALSE evaluate to 1 and 0, respectively. SELECT DISTINCT(col) FROM table WHERE length(col) SELECT * FROM my_table WHERE phone IS NULL mysql> SELECT * FROM my_table WHERE phone = '' See Section 3.3.4.6, “Working with NULL Values”, for additional information and examples. The entire file contents are inserted into the field. Load Value from File: Opens a file dialog to insert a value from a file. Mark Field Value as a Function/Literal: Marks as a function, by prepending \func. Set Field to NULL: Sets the field value to NULL. In MySQL Workbench, right click on the cell and select 'Set Field to NULL'. With this modifier, certain characters have special meaning at the beginning or end of words in the search string. The constant names can be written in any lettercase. BOOL, Zero is considered as false, nonzero values are considered as true. ![]() Boolean Literals 9.1.6 Boolean Literals The constants TRUE and FALSE evaluate to 1 and 0, respectively. In MySQL Query Browser, right click on the cell and select 'Clear field content' while the focus is in another cell. MySQL can perform boolean full-text searches using the IN BOOLEAN MODE modifier. version 8.0 MySQL 8.0 Reference Manual /.
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