sqliteHow do I use an enum data type with SQLite?
Enums are data types that allow you to define a list of valid values for a given column in a SQLite database. To use an enum data type in SQLite, you need to use the CREATE TABLE
statement to create a table with the desired column. The syntax for creating a column with an enum data type is as follows:
CREATE TABLE table_name (
column_name ENUM('value1', 'value2', 'value3', ...)
);
For example, if you wanted to create a table with a column that only accepts values of 'yes' or 'no', you could do the following:
CREATE TABLE responses (
answer ENUM('yes', 'no')
);
Once the table is created, you can use the INSERT
statement to add data to the table. The syntax for the INSERT
statement is as follows:
INSERT INTO table_name (column_name)
VALUES ('value');
For example, if you wanted to insert a 'yes' value into the responses
table, you could do the following:
INSERT INTO responses (answer)
VALUES ('yes');
You can also use the SELECT
statement to query data from the table. The syntax for the SELECT
statement is as follows:
SELECT column_name
FROM table_name;
For example, if you wanted to get all the values from the responses
table, you could do the following:
SELECT answer
FROM responses;
This would return all the values from the responses
table, which in this case would be 'yes' and 'no'.
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