打开Hive的命令行终端或Hive的UI界面。 运行SHOW CREATE TABLE语句,获取要复制的表的定义。 SHOW CREATE TABLE example_table; 1. 复制SHOW CREATE TABLE语句的输出,并将其作为CREATE TABLE语句的一部分。 CREATE TABLE new_table ( -- 将SHOW CREATE TABLE语句的输出粘贴到这里 ) ROW FORMAT DELIMITED FIELDS TER...
2. 创建表 创建一个名为example_table的表,包含一个名为id的整型字段和一个名为name的字符串字段。可以使用以下代码: CREATE TABLE example_table (id INT, name STRING); 1. 3. 设置表生命周期 接下来,你可以使用以下代码设置表example_table的生命周期为30天: ALTER TABLE example_table SET TBLPROPERTIES (...
Use personalized custom SerDe(we may need to `ADD JAR xxx.jar` first to ensure we can find the serde_class,--or you may run into `CLASSNOTFOUND` exception)ADD JAR /tmp/hive_serde_example.jar;CREATEEXTERNALTABLEfamily (idINT,nameSTRING)ROWFORMATSERDE'com.ly.s...
This chapter explains how to create a table and how to insert data into it. The conventions of creating a table in HIVE is quite similar to creating a table using SQL. Create Table Statement Create Table is a statement used to create a table in Hive. The syntax and example are as follo...
CREATE TABLE example (bar STRING, zip INT) ROW FORMAT SERDE 'oracle.hadoop.xquery.hive.OXMLSerDe' STORED AS INPUTFORMAT 'oracle.hadoop.xquery.hive.OXMLInputFormat' OUTPUTFORMAT 'oracle.hadoop.xquery.hive.OXMLOutputFormat' TBLPROPERTIES(
CREATE TABLE weather (wban INT, date STRING, precip INT) ROW FORMAT DELIMITED FIELDS TERMINATED BY ‘,’ LOCATION ‘ /hive/data/weather’; ROW FORMAT should have delimiters used to terminate the fields and lines like in the above example the fields are terminated with comma (“,”). The ...
1 # Example: 2 create table pk(id1 integer, id2 integer, 3 primary key(id1, id2) disable novalidate); 4 5 create table fk(id1 integer, id2 integer, 6 constraint c1 foreign key(id1, id2) references pk(id2, id1) disable novalidate); 2.2. Drop Table 代码语言:javascript 复制 1 ...
Create/Drop/Alter View Create/Drop/Alter Index Create/Drop Function Create/Drop/Grant/Revoke Roles and Privileges Show Describe HCatalog and WebHCat DDL Overview HiveQL DDL statements are documented here, including: CREATE DATABASE/SCHEMA, TABLE, VIEW, FUNCTION, INDEX ...
7boolean success=false;8try{9// Subclasses can override this step (for example, for temporary tables)10create_table_with_environment_context(tbl,envContext);11if(hook!=null){12hook.commitCreateTable(tbl);13}14success=true;15}finally{16if(!success&&(hook!=null)){17hook.rollbackCreateTable(...
createDatabaseIfNotExist=true&useUnicode=true&characterEncoding=UTF-8</value> <description> JDBC connect string for a JDBC metastore. To use SSL to encrypt/authenticate the connection, provide database-specific SSL flag in the connection URL. For example, jdbc:postgresql://myhost/db?ssl=true ...