Cassandra CQL Types

Data Type Constants Description
ascii strings Represents ASCII character string
bigint bigint Represents 64-bit signed long
blob blobs Represents arbitrary bytes
Boolean booleans Represents true or false
counter integers Represents counter column
decimal integers, floats Represents variable-precision decimal
double integers Represents 64-bit IEEE-754 floating point
float integers, floats Represents 32-bit IEEE-754 floating point
inet strings Represents an IP address, IPv4 or IPv6
int integers Represents 32-bit signed int
text strings Represents UTF8 encoded string
timestamp integers, strings Represents a timestamp
timeuuid uuids Represents type 1 UUID
uuid uuids Represents type 1 or type 4
varchar strings Represents uTF8 encoded string
varint integers Represents arbitrary-precision integer

Collection Types

Collection Description
list A list is a collection of one or more ordered elements.
map A map is a collection of key-value pairs.
set A set is a collection of one or more elements.

User-defined datatypes:

  • CREATE TYPE – Creates a user-defined datatype.
  • ALTER TYPE – Modifies a user-defined datatype.
  • DROP TYPE – Drops a user-defined datatype.
  • DESCRIBE TYPE – Describes a user-defined datatype.
  • DESCRIBE TYPES – Describes user-defined datatypes.

Kolay Gelsin.

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