What is SET type in SQL?
A SET is a string object that can have zero or more values, each of which must be chosen from a list of permitted values specified when the table is created. Duplicate values in the definition cause a warning, or an error if strict SQL mode is enabled. …
WHAT IS SET data type in MySQL?
SET is a data type of String object that can hold zero or more, or any number of string values. They must be chosen from a predefined list of values specified during table creation. It is one of the rarely used data type in the MySQL database.
What are the 11 data types?
The following types (or spellings thereof) are specified by SQL : bigint , bit , bit varying , boolean , char , character varying , character , varchar , date , double precision , integer , interval , numeric , decimal , real , smallint , time (with or without time zone), timestamp (with or without time zone), xml .
What are MySQL data types?
In MySQL there are three main data types: string, numeric, and date and time.
What set data types?
In computer science, a set is an abstract data type that can store unique values, without any particular order. It is a computer implementation of the mathematical concept of a finite set.
What is the difference between enum and set in MySQL?
Difference between SET and ENUM. The difference between SET and ENUM is that SET column can contain multiple values and whereas an ENUM can hold only one of the possible values. The SET type is similar to ENUM whereas the SET type is stored as a full value rather than an index of a value as with ENUM.
How SET multiple values in SQL?
To update multiple columns use the SET clause to specify additional columns. Just like with the single columns you specify a column and its new value, then another set of column and values. In this case each column is separated with a column.