If you add an invalid value to ENUM columns, an empty string ("") is inserted instead : ENUM « Data Type « SQL / MySQL






If you add an invalid value to ENUM columns, an empty string ("") is inserted instead

   
mysql>
mysql> CREATE TABLE test6(bool ENUM("true","false"));
Query OK, 0 rows affected (0.00 sec)

mysql>
mysql> INSERT INTO test6(bool) VALUES ('true');
Query OK, 1 row affected (0.00 sec)

mysql>
mysql> INSERT INTO test6(bool) VALUES ('troo');
Query OK, 1 row affected, 1 warning (0.00 sec)

mysql>
mysql> SELECT bool from test6;
+------+
| bool |
+------+
| true |
|      |
+------+
2 rows in set (0.00 sec)

mysql>
mysql> drop table test6;
Query OK, 0 rows affected (0.00 sec)

mysql>
mysql>

   
    
    
  








Related examples in the same category

1.How to use enum
2.Use two ENUM data type in a table
3. Storage Comparisons of ENUM and SET
4.Insert String value as ENUM
5.Define and use ENUM data type
6.Define 'Male' and 'Female' as Enum
7.ENUM: Enumeration of up to 65,535 strings
8.With ENUM you can manage a list of up to 65,535 character strings.
9.Sorting ENUM Values
10.MySQL uses the internal numeric values for sorting for enum value
11.Sort ENUM values in lexical order
12.Consider changing the column type to ENUM, if you always sort a non-enumeration column in a specific non-lexic
13.Use ALTER TABLE to convert the name column to an ENUM that lists the colors in the desired sort order:
14.Add to mytbl an ENUM column e that has several members
15.Enumerating a Many-to-Many Relationship
16.Configure an ENUM column and a SET column
17.Perform queries on enumerated fields based on their indexes
18.Sets work in a similar way to enumerated fields
19.The ENUM and SET Column Types
20.Enumeration values aren't limited to being single letters or uppercase.
21.An ENUM column definition may list up to 65,535 members.
22.Insert value to enum type column
23.The SET datatype, like ENUM, is declared using a comma-separated list of quoted strings that define its valid
24.enum value index
25.Enum for month names
26.Enum type column
27.Order by enum value
28.Using foreign key as an enum type
29.Use operators to specify a range of values.