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2024年4月1日发(作者:)
cassandra 基本数据类型
英文回答:
Cassandra is a highly scalable and distributed NoSQL
database that is designed to handle large amounts of data
across multiple commodity servers. It offers a flexible and
schema-free data model, allowing users to store and
retrieve data in a variety of formats. In Cassandra, there
are several basic data types that can be used to define the
structure of the data being stored.
1. Text: This data type is used to store variable-
length character strings. It is commonly used for storing
textual data such as names, descriptions, or any other type
of free-form text.
Example: "Hello, World!"
2. Integer: This data type is used to store whole
numbers. It can represent both positive and negative values
within a specified range. Integers are commonly used for
storing numerical data such as counts, quantities, or
identifiers.
Example: 42。
3. Float: This data type is used to store floating-
point numbers. It can represent both whole numbers and
fractions. Floats are commonly used for storing numerical
data that requires decimal precision, such as measurements
or calculations.
Example: 3.14。
4. Boolean: This data type is used to store either true
or false values. Booleans are commonly used for storing
binary data or representing logical conditions.
Example: true.
5. Timestamp: This data type is used to store date and
time information. It represents a point in time and can be
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