load data inpath ‘/test/’ into table dianxin_test; 从本地文件系统导入 load data local inpath ‘/test/’ into table dianxin_test; 表对表加载: create table IF NOT EXISTS dianxin_test2 as select * from dianxin_test insert [overwrite] into table dianxin_test2 select * from dianxin_test; 注...
默认地址:/user/hive/warehouse/db_name.db/table_name/partition_name/… (2)创建库的方式 # 创建普通的数据库 create database t1; 1. # 创建库的时候检查存与否 create database if not exists t1; 1. # 创建库的时候带注释 create database if not exists t2 comment 'learning hive'; 1. 2.查看...
例子:createtemporarytablemy.table1;createexternaltablemy.table2;createtabel ifnotexistsmy.table3;-- (Note:TEMPORARY available in Hive 0.14.0 and later)CREATE[TEMPORARY] [EXTERNAL]TABLE[IFNOTEXISTS] [db_name.]table_name--定义列, 比如 id Int comment '索引', name string comment '名字'[(col_...
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...
DATABASE_PARAMS:该表存储数据库的相关参数,在CREATE DATABASE时候用WITH DBPROPERTIES(property_name=property_value, …)指定的参数。DBS和DATABASE_PARAMS这两张表通过DB_ID字段关联。 3、Hive表和视图相关的元数据表 主要有TBLS、TABLE_PARAMS、TBL_PRIVS,这三张表通过TBL_ID关联。 TBLS:该表中存储Hive表,...
ALTER TABLE 或 CREATE TABLE。MASK 子句 ALTER TABLE 或 CREATE TABLE .. ROW FILTER 子句 ALTER VIEW ALTER VOLUME COMMENT ON CREATE CATALOG CREATE CONNECTION CREATE DATABASE CREATE FUNCTION (SQL) CREATE FUNCTION(外部) 创建位置 CREATE MATERIALIZED VIEW CREATE RECIPIENT CREATE SCHEMA CREATE SER...
create catalog hive_catalog WITH('type'='hive','default-database'='bdms','hive-version'='2.1.1','hive-site'='hive-site.xml','hdfs-site'='hdfs-site.xml','core-site'='core-site.xml','krb.keytab'='sloth.keytab','krb.conf'='krb5.conf','krb.principal'='sloth/dev@BDMS.163.COM'...
create database myhive;use myhive;create tablestu(id int,name string);insert into stuvalues(1,"zhangsan");select*from stu; 2、创建表并指定字段之间的分隔符 代码语言:javascript 代码运行次数:0 运行 AI代码解释
"TargetDatasourceId": "915792" } 输出示例 {"Response":{"DDLSql":"CREATE TABLE IF NOT EXISTS `test_hive`.`test_table`(`id` bigint comment '主键id',`name` string comment '名称',`len` decimal(5,2),`a1` bigint)row format delimited fields terminated by '\\t' STORED AS PARQUET;",...
CREATE DATABASE test_db location "oss://test_bucket/test_db"; //在OSS指定Bucket路径上创建名为test_db的数据库。test_bucket为示例路径,实际使用时替换成真实的路径。 USE test_db; CREATE TABLE test_table (id INT, name STRING, age INT); INSERT INTO test_table values(1,"ab",12); SELECT...