This tutorial will show you some common usage for working with tables. If you have no installed Hive yet please follow this tutorial.
Show Tables:
SHOW TABLES;
SHOW TABLES LIKE '*test*';
Table Creation:
CREATE TABLE test (
columnA STRING,
columnB VARCHAR(15),
columnC INT,
columnD TIMESTAMP,
columnE DATE
)
STORED AS ORC;
Table Creation with Partitioning:
CREATE TABLE test_partition (
columnA STRING,
columnB VARCHAR(15),
columnC INT,
columnD TIMESTAMP,
columnE DATE
)
PARTITIONED BY (columnF INT)
STORED AS ORC;
Inline Table Creation:
CREATE TABLE test_inline STORED AS ORC AS
SELECT *
FROM test;
Temporary Table Creation:
CREATE TEMPORARY TABLE temp (
columnA STRING,
columnB VARCHAR(15),
columnC INT,
columnD TIMESTAMP,
columnE DATE
)
STORED AS ORC;
DESC Table:
This will show you the basic definition of a table.
DESC test;
DESC EXTENDED Table:
This will show you the extended definition of a table.
DESC EXTENDED test;
Drop Table:
DROP TABLE IF EXISTS temp;
You must be logged in to post a comment.