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2024年6月6日发(作者:html聊天室代码)

hive 建表语法

英文回答:

Hive is a data warehouse infrastructure built on top of

Hadoop that provides a SQL-like language called HiveQL for

querying and analyzing large datasets. When creating tables

in Hive, you need to use the CREATE TABLE statement along

with various clauses and options to define the table's

schema, data types, and storage format.

Here is the basic syntax for creating a table in Hive:

CREATE TABLE table_name (。

column1 data_type,。

column2 data_type,。

...

)。

[ROW FORMAT row_format]

[STORED AS file_format]

[TBLPROPERTIES (property_name=property_value, ...)]

Let's break down the syntax and explain each component:

1. CREATE TABLE: This is the keyword used to create a

new table in Hive.

2. table_name: This is the name you choose for your

table. It should be unique within the database.

3. column1, column2, ...: These are the column names of

your table. You need to specify the column name followed by

its data type.

4. data_type: This specifies the data type of the

corresponding column. Hive supports various data types such


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