What are the different types of MySQL?
MySQL numeric data types
|INT||A standard integer|
|BIGINT||A large integer|
|DECIMAL||A fixed-point number|
|FLOAT||A single-precision floating point number|
What are the four data types in MySQL?
MySQL has all essential SQL numeric data types. These data types can include the exact numeric data types (For example, integer, decimal, numeric, etc.), as well as the approximate numeric data types (For example, float, real, and double precision). It also supports BIT datatype to store bit values.
What are the MySQL data types give example?
MySQL supports all standard SQL numeric data types which include INTEGER, SMALLINT, DECIMAL, and NUMERIC. It also supports the approximate numeric data types (FLOAT, REAL, and DOUBLE PRECISION). The keyword INT is a synonym for INTEGER, and the keywords DEC and FIXED are synonyms for DECIMAL.
How do I know the type of MySQL?
You can get the MySQL table columns data type with the help of “information_schema. columns”. SELECT DATA_TYPE from INFORMATION_SCHEMA. COLUMNS where table_schema = ‘yourDatabaseName’ and table_name = ‘yourTableName’.
What are the five data types?
- String (or str or text). Used for a combination of any characters that appear on a keyboard, such as letters, numbers and symbols.
- Character (or char). Used for single letters.
- Integer (or int). Used for whole numbers.
- Float (or Real). …
- Boolean (or bool).
What is the full form of MySQL?
The full form of MySQL is My Structured Query Language.
Which are the 2 types of queries?
Two types of queries are available, snapshot queries and continuous queries.
What are the types of data type?
|Data Type||Used for||Example|
|Integer||Whole numbers||7, 12, 999|
|Float (floating point)||Number with a decimal point||3.15, 9.06, 00.13|
|Character||Encoding text numerically||97 (in ASCII, 97 is a lower case ‘a’)|
|Boolean||Representing logical values||TRUE, FALSE|
What is varchar in MySQL?
Varchar in MySQL is a data type used for storing text whose length can have a maximum of 65535 characters. The varchar columns in the table are of variable length string that can hold either numeric or character or both.
What are the 3 categories of MySQL data types?
In MySQL there are three main data types: string, numeric, and date and time.
What is enum data type in MySQL?
An ENUM is a string object with a value chosen from a list of permitted values that are enumerated explicitly in the column specification at table creation time.