ClickHouse data types compared to MySQL data types

The following table provides a short overview of ClickHouse data types compared to MySQL data types:

ClickHouse MySQL Comment
UInt8, UInt16, UInt32, UInt64 TINYINT UNSIGNED, SMALLINT UNSIGNED, INT UNSIGNED, BIGINT UNSIGNED
Int8, Int16, Int32, Int64 TINYINT SIGNED, SMALLINT SIGNED, INT SIGNED, BIGINT SIGNED
Float32, Float64 FLOAT, DOUBLE Supports inf, -inf, nan, recommended NOT to use by ClickHouse!
String BLOB, TEXT, VARCHAR, VARBINARY No encoding. Recommended to use UTF-8. In fact behaves like a BLOB.
FixedString(n) CHAR, BINARY \0 padded. Less functions available than String, in fact it behaves like BINARY.
Date DATE UNIX epoch date up to 2038.
DateTime DATETIME, TIMESTAMP UNIX epoch timestamp up to 2038.
Enum ENUM Similar to MySQL ENUM. Behaves like Int8/16.
Array(type) n.a. Array of type. Closest equivalent in MySQL is JSON? Not well supported.
Tuple() n.a.
Nested() n.a. Closest equivalent in MySQL is JSON?
AggregateFunction() n.a.
Set n.a.
Expression n.a.

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