What are the primary MYSQL data types?

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MySQL supports a variety of data types that you can use when defining the structure of your database tables. Here are the primary data types in MySQL:

  1. Numeric Types:

    • INT: A normal-sized integer that can be signed or unsigned.
    • TINYINT: A very small integer.
    • SMALLINT: A small integer.
    • MEDIUMINT: A medium-sized integer.
    • BIGINT: A large integer.
    • DECIMAL: A fixed-point number (exact numeric value).
    • FLOAT: A single-precision floating-point number.
    • DOUBLE: A double-precision floating-point number.

  2. Date and Time Types:

    • DATE: Date value in the format 'YYYY-MM-DD'.
    • TIME: Time value in the format 'HH:MM:SS'.
    • DATETIME: Combination of date and time in the format 'YYYY-MM-DD HH:MM:SS'.
    • TIMESTAMP: A timestamp, typically used for recording the date and time of an INSERT or UPDATE operation.
    • YEAR: A year in two-digit or four-digit format (2 or 4 digits).

  3. String Types:

    • CHAR: Fixed-length string with a maximum length specified when defining the table.
    • VARCHAR: Variable-length string with a maximum length specified when defining the table.
    • BINARY: Fixed-length binary string.
    • VARBINARY: Variable-length binary string.
    • TINYBLOB, TINYTEXT: Small BLOB or TEXT value.
    • BLOB, TEXT: Large BLOB or TEXT value.
    • MEDIUMBLOB, MEDIUMTEXT: Medium-sized BLOB or TEXT value.
    • LONGBLOB, LONGTEXT: Very large BLOB or TEXT value.
    • ENUM: Enumeration, a string object with a value chosen from a list of permitted values.
    • SET: A string object that can have zero or more values, each of which must be chosen from a predefined list of permitted values.

  4. Spatial Data Types:

    • GEOMETRY: Spatial value representing a geometry.
    • POINT: Point in 2-dimensional space.
    • LINESTRING: Sequence of points to represent a line.
    • POLYGON: Area defined by a closed ring.
    • GEOMETRYCOLLECTION: Collection of geometry objects.
    • MULTIPOINT: Collection of points.
    • MULTILINESTRING: Collection of line strings.
    • MULTIPOLYGON: Collection of polygons.

These data types provide flexibility in storing different types of data efficiently in a MySQL database. When defining your database schema, choosing the appropriate data types based on the nature of the data helps optimize storage and query performance.

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