This examples creates the Hive table using the data files from the previous example showing how to use ORACLE_HDFS to create partitioned external tables.. From the above screenshot, we can observe the following, 1. HIVE is supported to create a Hive SerDe table. The following command creates a partitioned table: To fill the internal table from the external table for those employed from PA, the following command can be used: This method requires each partition key to be selected and loaded individually. Specifying storage format for Hive tables. Since in HDFS everything is FILE so HIVE stores all the information in FILEs only. The first five lines of the file are as follows: The first input step is to create a directory in HDFS to hold the file. Before we start with the SQL commands, it is good to know how HIVE stores the data. ]table_name (col_name data_type [COMMENT 'col_comment'],, ...) [COMMENT 'table_comment'] [ROW FORMAT row_format] [FIELDS TERMINATED BY char] [STORED AS file_format]; However, any number of files could be placed in the input directory. You use an external table, which is a table that Hive does not manage, to import data from a file on a file system, into Hive. Create Empty table STUDENT in HIVE hive> create table student > ( std_id int, > std_name string, > std_grade string, > std_addres string) > partitioned by (country string) > row format delimited > fields terminated by ',' > ; OK Time taken: 0.349 seconds Load Data from HDFS path into HIVE TABLE. When you create a Hive table, you need to define how this table should read/write data from/to file system, i.e. For example, consider below external table. Creation of table \"employees_guru\" 2. Bucketed Sorted Tables The second type of table is an external table that is not managed by Hive. Hive supports two types of tables. This post is to explain different options available to export Hive Table (ORC, Parquet or Text) to CSV File.. Note, to cut down on clutter, some of the non-essential Hive output (run times, progress bars, etc.) How to create a Hive table String sqlStatementDrop = "DROP TABLE IF EXISTS helloworld"; String sqlStatementCreate = "CREATE TABLE helloworld (message String) STORED AS PARQUET"; ... Add a jaas.conf file under src/main/resources containing the following content : Main Defines a table using Hive format. We use SerDe properties of Hive to load fixed width files.. Pearson collects name, contact information and other information specified on the entry form for the contest or drawing to conduct the contest or drawing. The internal table is also called a managed table and it is own by “hive” only. Create ACID Transaction Hive Table. Steps: 1. For example, consider below external table. That is, input for an operation is taken as all files in a given directory. The internal table is also called a managed table and it is own by “hive” only. In this example, one file is used. The option keys are FILEFORMAT , INPUTFORMAT , OUTPUTFORMAT , SERDE , FIELDDELIM , ESCAPEDELIM , MAPKEYDELIM , and LINEDELIM . In this case you will need to quote the strings, so that they are in the proper CSV file format, like below: column1,column2 “1,2,3,4”,”5,6,7,8″ And then you can use OpenCSVSerde for your table like below: CREATE EXTERNAL TABLE test (a string, b string, c string) ROW FORMAT SERDE ‘org.apache.hadoop.hive.serde2.OpenCSVSerde’ In Hive, the above statement can be written in Hive as follows: CREATE TABLE tablename (id int, name string, score float, type string) ROW FORMAT SERDE 'org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe' STORED AS sequencefile; Writer In Hive, the above statement can be written in Hive as follows: CREATE TABLE tablename (id int, name string, score float, type string) ROW FORMAT SERDE 'org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe' STORED AS sequencefile; Writer 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 (“,”). You can specify the Hive-specific file_format and row_format using the OPTIONS clause, which is a case-insensitive string map. 3) Create hive table with location We can also create hive table for parquet file data with location. CREATE table statement in Hive is similar to what we follow in SQL but hive provides lots of flexibilities in terms of where the data files for the table will be stored, the format used, delimiter used etc. If you delete an external table, only the definition (metadata about the table) in Hive is deleted and the actual data remain intact.