Orc table creation in hive

Orc table creation in hive. OrcSerde InputFormat We would like to show you a description here but the site won’t allow us. , the ones created using the clause USING HIVE OPTIONS (fileFormat 'ORC')), the vectorized reader is used when spark. And when you run an INSERT-SELECT, then each Hive reducer (or each mapper in case there is no need for reducing) will create a new file in that May 8, 2016 · No magical tablespaces or other things. The location of a table depends on the table type. hv_orc ( id STRING, code STRING ) STORED AS ORC; Nov 19, 2015 · If you want to access your table from hive, you have two options: 1- create table ahead and use df. csv. 14, users can request an efficient merge of small ORC files together by issuing a CONCATENATE command on their table or partition. create. Dec 9, 2019 · I am trying to read orc file of a managed hive table using below pyspark code. 2) Create a table in Hive, specifying the correct column delimiter. Hive DDL. answered Sep 9, 2017 at 18:51. 1 + Cloudera back ports. Step 1: Use sqoop to import raw text (in text format) into Hive tables. But would you know if there are some way to create a external table, with a partition and somehow, Hive infering that the ORC files is in a subfolder? Or another param that could lead Hive "see" those files? Or you think the best way is to turn the path as a canonical? Create Table as select (CTAS) is possible in Hive. dynamic. create table test_orc_load (a int, b int) partitioned by (c int) stored as ORC; Table properties which i got using show create table option. AVRO is a row oriented format, while Optimized Row Columnar (ORC) is a format tailored to perform well in Hive. Oct 9, 2019 · ORC File format reduces the data storage format by up to 75% of the original data file and performs better than any other Hive data files formats when Hive is reading, writing, and processing data. A string literal to describe the table. To modify a table so that new partitions of the istari table are stored as ORC files: As of Hive 0. create table MyDB. com/gvlogsvideosBig May 13, 2024 · To load ORC data from Cloud Storage into a new BigQuery table: In the Google Cloud console, go to the BigQuery page. --- Create table and compress it with SNAPPY. Here is a simple Hive example that creates an employee table in emp database with id, name, age and gender columns. 0 and later) How to check hive version $ hive --version Hive 0. lang. Create a ORC table using- May 23, 2024 · Perform the following steps to create cust_parquet (parquet) and a cust_orc (ORC) Hive tables in your Cloud Storage bucket. err_mstr_40sq_orc(audt_id int,err_col_lineage_id int,err_cd int, err_dscr string,cntxt_txt string, src_nm string, src_key string) STORED AS ORC. Oct 5, 2023 · In summary to enable ACID like transactions on Hive, you need to do the follwoing. Like Protocol Buffer, Avro, and Thrift, ORC also supports schema evolution. as. partition property to optimize the process: SET hive. Feb 21, 2018 · It wont work. Target cannot be partitioned table. 0 running Hive 0. Launch Hive by typing hive in the web console. To know more about hive internals search for “Hive Serde” and you will know how the Jan 5, 2015 · 5. No magical tablespaces or other things. Step 4 – Confirm Hive table is created. insert. enableVectorizedReader is set to true. – Samson Scharfrichter. # create 1 csv, 500MB of easy to compress data. hive --orcfiledump -j -p <Location of Orc File>. 13. compress = SNAPPY the contents of the file are compressed using Snappy. # Copy this file in hdfs. sql. native implementation supports a vectorized ORC reader and has been the default ORC implementation since Spark 2. Example: Jan 4, 2018 · create table etl_stats. Jul 31, 2015 · ORC Hive Create Table errors with location. Now I am creating a table name “employ_detail” in the database “dataflair”. The Hive 3 connection message, followed by the Hive prompt for entering SQL queries on the command line, appears. This is what happened. You can insert data into the Non-ACID transaction table by using LOAD command. When you create a table you mention the file format ex: in your case It’s ORC “STORED AS ORC” , right. When creating an ORC table, you can specify the STORED AS ORC clause: Jul 23, 2013 · There are few properties to set to make a Hive table support ACID properties and to support UPDATE ,INSERT ,and DELETE as in SQL. To test the functionality i have created a table and insertted '' to the filed 3. TEST (. `a` int, `b` int) `c` int) 'org. The vectorized reader is used for the native ORC tables (e. Hive is designed to support a relatively low rate of transactions, as opposed to serving as an online analytical processing (OLAP) system. When i query for nulls on the field3, there are no rows with that criteria. So Using ORC in Hive is the same as storing ORC in HDFS. . though its ORC hive will be able to differentiate the columns based on the delimiter which you have specified during the table creation. 11. CREATE TABLE IF NOT EXISTS emp. acid properties in Cloudera Manager under Hive configuration. But each time I am getting an error: ERROR : Job failed with java. Jul 13, 2022 · Hive ORC File Format with Demo #dataengineering #hive #hiveorc #ordCode - https://bit. Login to the web console. I want to do the following thing in Hive: I create an external table stored as a Textfile and I convert this table in an ORC table (with the usual way: first create an empty ORC table, and second load the data from the original one). Enter your user name and password. However, is this also possible if the file is stored as ORC? Apr 5, 2018 · Hive uses “Serde” (Serialization DeSerialization) to do that. Jun 2, 2021 · Run plain queries over this temporary table by executing-select * from u_harssing. Below is the Hive Table format: # Storage Information SerDe Library: org. hadoop. 1) not affect table performance 2) slow down performance as it converts Nov 30, 2016 · 1. Jan 16, 2019 · There are numerous advantages to consider when choosing ORC or Parquet. you can use these options together. Dec 9, 2020 · 1. time string, debug string,app_id string,app_version string, more fields) PARTITIONED BY (dt string) ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t'. Sure that the path is not canonical. compress"="SNAPPY") Dec 11, 2017 · I am creating hive external table ORC (ORC file located on S3 , environment AWS EMR 5. hive. OrcFiles are binary files that are in a specialized format. spark. saveAsTable("db1. If you only want to add new data you will use "Insert table . force-local-scheduling. Aug 24, 2020 · This page shows how to create, drop, and truncate Hive tables via Hive SQL (HQL). apache. Orc is a semi columnar file format. 1 Create Table. [localhost:21000] default> CREATE TABLE orc_table (x INT) STORED AS ORC; [localhost:21000] default> CREATE Jun 12, 2019 · You can use this sample flow to load data in a Hive table. Feb 8, 2017 · That said, this won't work for spark. Below is the query to create an ORC table named as hv_orc in the hive. If you are a Spark user, switching to legacy behavior is unnecessary. edited Apr 17, 2020 at 22:04. You can also make use of the ORC Dump utility to get to know the metadata of the ORC file in JSon format. For the Hive ORC serde tables (e. Instead i do this: Nov 12, 2016 · I had a similar issue and was able to build a table successfully with this answer, but ran into issues at query time with aggregations. 9 Hive 2. write. 3. The reason I am asking this question is because the schema of the original hive table is quite nested and has many field. 12. So yes make an external table on the tbl file and transform it into an ORC table. sql("select * from tbl") // even collect is not needed to see the error! Here is the error: Feb 10, 2016 · Some predefined table properties also exist, such as last_modified_user and last_modified_time which are automatically added and managed by Hive. LOCATION '/user/warehouse/hive'; The table got created successfully, but to cross check when I used the "describe formatted ;", I get below output. These were executed on CDH 5. hive. 1 version. Secondly, indexes within ORC or Parquet will help with query speed as some basic statistics are stored inside the files, such as min,max value Syntax: [schema_name. ) USING HIVE OPTIONS (fileFormat 'ORC') PARTITIONED BY (eventtype ) 2. turn on acid. To modify a table so that new partitions of the table are stored as ORC files: ALTER TABLE T SET FILEFORMAT ORC; As of Hive 0. Create a CRUD Sep 24, 2018 · Below is one of the create table syntax which i have used. CREATE EXTERNAL TABLE IF NOT EXISTS test ( table_columns ) ROW FORMAT FIELDS TERMINATED BY '\u0001' STORED AS orc LOCATION 'path' TBL PROPERTIES ("orc. GZIP. TBLPROPERTIES. loan_orc; >CREATE TABLE mydb. Assuming your Hive table is defined as ORC and located in that directory -- when you run a SELECT, Hive will process each file in that directory (possibly with different mappers) with the ORC SerDe. The files will be merged at the stripe level without reserializatoin. In the Create table panel, specify the following details: Aug 4, 2014 · You can insert text data into a orc table by such command: insert overwrite table orcTable select * from textTable; The first table is orcTable is created by the following command: create table orcTable(name string, city string) stored as orc; And the textTable is as the same structure as orcTable. session_builder = pyspark. Streams are compressed using a codec, which is specified as a table Feb 5, 2015 · Building off our first post on TEXTFILE and PARQUET, we decided to show examples with AVRO and ORC. There are two option which you can do now: 1) Create another external table with the additional columns. EXTERNAL. If you already have a table created by following Create Hive Managed Table article, skip to the next section. (<NON PARTITION COLUMNS DEFINITION>) PARTITIONED BY(<PARTITION COLUMNS DEFINITION>) ROW FORMAT DELIMITED. Your table definition is missing SerDe declaration, so Hive uses text as a default. In the Explorer pane, expand your project, and then select a dataset. Using ORC files improves performance when Hive is reading, writing, and processing data. Right now, we use a 2 step process to import data from sqoop to ORC tables. CREATE TABLE bdp. we have also provided comment to the table. Partitions the table by the specified columns. If it is blank, the compression codec is ZLIB, the default one! Feb 7, 2023 · INPUTFORMAT – Specify Hive input format to load a specific file format into table, it takes text, ORC, CSV etc. Now it’s time to create a hive table which is in ORC format. partition=true. NoSuchMethodError: org. 1) Since there is ambiguity related the , delimiter, update the file to have a delimiter of | that identifies actual fields. We have created a temporary table. ly/3cbIbNlMy Second Channel - https://www. It says ZLIB. impl=native. The table should be stored as ORC file . Only ORC format can support ACID prpoperties for now 2. External and internal tables. Defines the table using the path provided in LOCATION. contrib. Time to create a hive table which is in ORC format. Feb 13, 2018 · serialization. small files will be merged to large file. STORED AS RCFile. The compression codec to use when writing files. cabs limit 10; Copy data from temporary table to ORC table. Enable ACID Transaction Manager ( DbTxnManager) on hive session. Oct 13, 2017 · Way to create external hive table from ORC File. g. name"="table_name") – see HBase Integration. save("S3Location) I can see the ORC files in the S3 location. However, user’s data is continually changing and as Hive matured, users Jun 26, 2015 · And even after inserting the new partitions for the HIVE ORC table, i could not query it using SELECT and WHERE …! below is my query details: >DROP TABLE IF EXISTS mydb. and this will work, but it will not work without the use command. Create table. 8-40 HIVE-3874: Create a new Optimized Row Columnar file format for Hive. create orc table K with transactional property. So no matter whether you re-create it it wont work. insert many times into K. " After the import you could delete the temporal "text table". ALTER TABLE T Steps: Create ORC table. You can configure the CREATE TABLE behavior at the site level by configuring the hive. A simple scenario, create an empty orc table using Hive, then try to query the table using Spark. sqlContext. FIELDS TERMINATED BY '\t'. Feb 26, 2018 · I generated an easy to compress data set, and load it in a few different tables with different options. Now, with this approach, we have to manually create ORC backed tables that Dec 20, 2018 · 0. Some digging and I ended up resolving by changing the "org. load('hive managed table path') when i do a print schema on fetched dataframe, it is as fol Dec 20, 2018 · To use the ORC file format, you must use a two-phase approach: first use Sqoop to move the data into HDFS, and then use Hive to convert the data into the ORC file format[] However, we can use the Sqoop-HCatalog integration feature, which is a table abstraction. by streaming or just use insert dml. 'org. Only through Hive can you access and change the data in managed tables. For this task I want to use Sqoop. hive> use myschema; hive> ALTER TABLE myschema. 0 ) Command <code>CREATE EXTERNAL TABLE Table1 (Id INT, Name STRING) STORED AS ORC LOCATION 's3://bucket_name' After running the query: <code>Select * from Table1; Result is: Oct 30, 2020 · I need a way to create a hive table from a Scala dataframe. Do you mean the "INSERT - VALUES" syntax, inserting 1 row at a time? Yes, it is possible but has strong pre-requisites in terms of setup, and the result is quite Aug 9, 2016 · i have a Text Format hive table, like: CREATE EXTERNAL TABLE op_log (. ql. 0 and I expect to get three tables compressed using different methods and therefore size and content of the files should be different. compress"="SNAPPY"); Then any inserts to the table will be snappy compressed (I corrected orcfile to orc in the command also). compress"="Zlib"); Aug 19, 2015 · 0. But if you create ORC table: Dec 9, 2014 · 3. impl is set to native and spark. Because Hive has full control of managed tables, Hive can optimize these tables extensively. In the spark context, I added some configurations, such as spark. 2 sandbox, starting with creating our Hive table, stored as Apr 29, 2016 · 1. ORC provides the best Hive performance overall. orc. ORC. io. create table orc1(line string) stored as orc tblproperties ("orc. Jun 17, 2018 · The Optimized Row Columnar ( ORC) file format provides a highly efficient way to store Hive data. hql (Hive Query Language) script. Insert data into a table using INSERT INTO. Let's call this data. Target cannot be external table. In the Dataset info section, click add_box Create table. Path to the directory where table data is stored, which could be a path on distributed storage like HDFS, etc. null. Jun 23, 2016 · I want to create an orc table in hadoop, with the same table definition as t1. This is useful for installations where Presto is collocated with every . Create a table in hive. # Create SparkContext with configurations for new OrcFormat. Otherwise, use the DELIMITED clause to use the native SerDe and specify the delimiter, escape character, null To create a CRUD transactional table, you must accept the default ORC format by not specifying any storage during table creation, or by specifying ORC storage explicitly. minor ir major compactions will happen. Let's use the HDP 2. Load 7 more related questions Show fewer related questions Sorted by: Reset to default When you load data into tables that are both partitioned and bucketed, set the hive. format 1. compression-codec. Properties to set to create ACID table: The default file format used when creating new tables. Further on, I'm using (Py)Spark to insert data into the table. It has hundreds of columns and one partition field. That's it. STORED AS TEXTFILE; now i create a orc format table with same fields, like. OrcInputFormat'. Col1 String, Col2 String, Col3 String, Col4 String) STORED AS INPUTFORMAT. CREATE TABLE target_table_name LIKE source_table_name; INSERT OVERWRITE TABLE target_table_name PARTITION(partition_column_name) SELECT * FROM source_table_name; Rest stored as ORC, location you can add as per convenience and support by hive query. fromat ("orc") 2- use Brandon's suggestion here, register df as temp_table and do create table as select from temp_table. customer(cust_id INT, name See HIVE FORMAT for more syntax details. 2. Hive Create Table syntax - check file_format to know minimum requirement for each storage type. After you import the data file to HDFS, initiate Hive and use the syntax explained above to create an external table. In Hive 0. If you have 20 buckets on user_id data, the following query returns only the data associated with user_id = 1: SELECT * FROM tab WHERE user_id = 1; Apr 26, 2019 · eventtype STRING. Aug 28, 2020 · Hi @AbhinavSingh, thanks for your answer. One of the most important pieces of Spark SQL’s Hive support is interaction with Hive metastore, which enables Spark SQL to access metadata of Hive tables. Initially, Hive table is created and then we can use ORC File storage format for a new Hive table you are creating ORC. See code examples here: Feb 26, 2018 · I generated an easy to compress data set, and load it in a few different tables with different options. ORC is well integrated into Hive, so storing your istari table as ORC is done by adding “STORED AS ORC”. I know how to create a copy with "create table abc like ccm' but I would like abc to be bucketed, ORC, and have transaction support set on via TBLPROPERTIES. hive (vijay)> > create external table Addresses ( > name string, > street May 5, 2024 · Step 2 – Create PySpark DataFrame. need to be experimented with, for example, first create a normal, partitioned table in ORC. I tried using the sqoop create-hive-table command, but this command isn't compatible with hcatalog - and from what I've found, hcatalog is the only command, that allows me to create orc tables. Updating or deleting data in partition required removing the old partition and adding it back with the new data and it wasn’t possible to do atomically. Insert your BUCKET_NAME in the following script, then copy and paste the script into the SSH terminal on your Kafka cluster master node, then press <return> to create a ~/hivetables. mode(SaveMode. File format for table storage, could be TEXTFILE, ORC, PARQUET, etc. Apr 15, 2017 · Step 5: Create an ORC table. OrcSerDe : ORC (Optimized Row Columnar) is a highly efficient way to store Hive data. Force splits to be scheduled on the same node as the Hadoop DataNode process serving the split data. Text to Text, ORC to ORC, etc. It has a property called orc. CREATE TABLE op_log_orc (. Apr 6, 2017 · 6. Run the below commands in Hive. Compared with RCFile format, for example, ORC file format has many advantages such as: Oct 9, 2020 · 2. Nov 17, 2017 · I created external hive table on the top HDFS data with below command. convertMetastoreOrc is also set to true, and is turned on by default. Starting from Spark 1. Jun 12, 2019 · You can use this sample flow to load data in a Hive table. 0. When you specify orc. Feb 14, 2016 · 9. Example: CREATE TABLE IF NOT EXISTS hql. If you want to clone the original table -- just run the same exact CREATE TABLE script in target cluster (and the same exact CREATE PARTITIONS if it's partitioned) and distcp the source directory to target directory. Sep 9, 2017 · 0. The thing is that table is text file by default and newline character is interpreted normally as new line, this is why when being selected, it returns one extra row: select * from test_special_chars; OK a b a b Actualy, insert of \n created extra line in the text file. LOCATION. Jul 23, 2013 · There are few properties to set to make a Hive table support ACID properties and to support UPDATE ,INSERT ,and DELETE as in SQL. Historically, the only way to atomically add data to a table in Hive was to add a new partition. read. Step 3 – Create a Hive table from PySpark DataFrame. 0 and later releases, CREATE TABLE LIKE view_name creates a table by adopting the schema of view_name (fields and partition columns) using defaults for SerDe and file formats. 14. Other predefined table properties include: TBLPROPERTIES ("comment"="table_comment") TBLPROPERTIES ("hbase. When you create a ORC table in hive, you are changing the file type to be orc. partitionBy("date"). format'=''. RegexSerDe" to "org. Go to BigQuery. You can try out below command: CREATE TABLE new_test. serde2. Firstly, both will give you columnar compression of the data within, whereas a plain text file will have no compression at all. If it is SNAPPY or something else, it will be mentioned there. Properties to set to create ACID table: I am trying to read a Hive table in Spark. ACID support. In this example, I am creating a table in the database “dataflair”. I am using hive 1. yes '1,longish string which will compress really well' | head -n 10000000 > /tmp/source. 0, a single binary build of Spark SQL can be used to query different versions of Hive metastores, using the configuration described below. Overwrite). Pay attention to the Table Parameters section. optimize. Bucketed Sorted Tables Aug 27, 2019 · Newlines are tricky. Feb 28, 2017 · Spark SQL fails on empty ORC table, HDP 2. The table must be bucketed. Apache Hive 3 tables. Dec 31, 2016 · ORC is a columnar storage format for Hive. The hive table should have underlying files in ORC format in S3 location partitioned by date. For example, here is how you might create some ORC tables in Impala (by specifying the columns explicitly, or cloning the structure of another table), load data through Hive, and query them through Impala: $ impala-shell -i localhost. To verify that the external table creation was successful, type: select * from [external-table-name]; The output should list the data from the CSV file you imported into the table: 3. PARTITIONED BY. Currently the only solution I can think of is read those orc file in spark, and write them out with the saveAsTable option as following: dfTable. A table is just a folder in HDFS with some files in it and an entry in the metastore telling hive what format the data in that folder has. ] table_name. Spark Session with Hive Enabled. TEZ execution engine provides different ways to optimize the query, but it will do the best with correctly created ORC files. Here is what I have got so far: I write the scala dataframe to S3 in ORC format. $ {env:USER} gets replaced by your username automatically: use $ {env:USER}; To create an ORC file format: CREATE TABLE orc_table ( first_name STRING, last_name STRING Apr 14, 2016 · Below code is working for me, while loading ORC files present in HDFS into a hive table. I do not want to mention all the columns in ccm when I compose the HQL. The main advantage of an ORC format is to reduce the size of a table. Start Hive. Ask Question Asked 8 years, 9 months ago. Insert [overwrite] table orcTable select col1, col2 from textTable; Insert Overwrite will replace all the data in the table with the new data. only and hive. My understanding of the following statement is that if blank or empty string is inserted into hive column, it will be treated as null. ROW FORMAT. This document is to explain how creation of ORC data files can improve read/scan performance when querying the data. In addition, to specifying the storage format, you can also specify a compression algorithm for the table, as shown in the following example: CREATE TABLE addresses ( name string, street string, city string, state string, zip int ) STORED AS orc TBLPROPERTIES ("orc. Take a look at this documentation for more information about how data is laid out. You might choose a table type based on its supported storage format. NOTE: These first few steps can be skipped if you did them May 8, 2016 · Hive is very simple that way. Step 2: Use insert overwrite as select to write this into a hive table that is of type ORC. I did use your sample ORC file and tried to CREATE an external table in HIVE, I was able to see the data output. stored as orc. 8. So, the file looks like this. tblproperties ("orc. compress"="ZLIB") as. table. May 1, 2016 · Then insert in the "ORC table" all the rows from the temporal "text table". The answer to this question states that it is possible to change the schema with the alter table change command. Schema Merging. SERDE – can be the associated Hive SERDE. answered Mar 2, 2019 at 10:55. 2. hdfs dfs -mkdir /tmp/compressiontest. AS select * from source where col=1. For my TextFile table, my data is located in HDFS in a directory, say /user/MY_DATA/. This means you can't look at a specific file outside of the orc table. format("orc"). row format delimited. To enable Hive support while creating a SparkSession in PySpark, you need to use the enableHiveSupport () method. If I try to make this a csv table (like you do on a non-orc table) will it. Table type definitions and a diagram of the relationship of table types to ACID properties clarifies Hive tables. fields terminated by '|'. format('orc'). loan_orc. STORED AS. , the ones created using the clause USING ORC) when spark. 0, CREATE TABLE LIKE view_name would make a copy of the view. There is already a question on Hive in general ( Is there a way to alter column type in hive table? ). name STRING, color STRING. You can create ACID (atomic, consistent, isolated, and durable) tables for unlimited Sep 8, 2020 · I am trying to insert data into an ORC table with Hive v2. Use the SERDE clause to specify a custom SerDe for one table. 14, users can request an efficient merge of small ORC files together by issuing a CONCATENATE command Vectorized Reader. employee (. createRowBatch(I Before Hive 0. compress. OrcSerde'. 4. When configured at the site level, the behavior persists from session to session. Use STORED AS ORC, it's equivalent to explicitly specifying input format, output format, and SerDe. id int, name string, age int, gender string ) COMMENT 'Employee Table'. abtestmsg_orc PARTITION (dt='<dt_to_migrate>') SET FILEFORMAT PARQUET. Feb 8, 2018 · If i want to create a table user in hive, but have it be able to traverse the sub-directories of user, can that be done? I tried something like this, but doesn't work; CREATE EXTERNAL TABLE users (id int, name string) STORED AS TEXTFILE LOCATION '/testdata/user/*' I thought adding the wildcard would work but doesn't. Apr 18, 2016 · Created ‎04-18-2016 03:04 PM. But if your schema is myschema, you can do. Enable Concurrency. - this is the implementation ticket. Create Table by enabling transactional ( TBLPROPERTIES (‘transactional’=’true’)) Create Table with ORC storage type. The issue comes is, data is updated in pointed Mar 2, 2019 · 1. Jan 30, 2021 · Suppose I have a non-transactional table in Hive named 'ccm'. I run following code in hive v0. sort. COMMENT. TBLPROPERTIES('serialization. Hive uses the ORC library (Jar file) internally to convert into a readable format. youtube. It was designed to overcome limitations of the other Hive file formats. Conditions to create a ACID table in Hive. compress"="SNAPPY"); But while selecting data from table I am getting this exception. TypeDescription. 1. So ZLIB is your compression codec. Feb 1, 2016 · Is it possible to add data directly to an ORC hive table like insert into table name,fields ? I saw many examples; in all these examples data is loaded by selecting from another table. You can set the compression to snappy on the create table command like so. RegexSerDe" – May 6, 2016 · There isn't a luxury of time and availability to import the data several times, hence, the import has to be done once and the Hive tables, queries etc. Use your database by using the below command. ORC Creation Strategy. hive will automatically create small delta files. test1") hive. Here's an example orc create table statement. For external tables, the steps do not work. df. Sep 28, 2016 · ORC -- (Note: Available in Hive 0. SparkSession Oct 31, 2016 · how do i create hive orc table and how to load the data in same orc hive table using only sqoop import command? Labels: Labels: Apache Sqoop; Former Member For creating a table, first we have to use the database in which we want to create the table. Refer to Differences between Hive External and Internal (Managed) Tables to understand the differences between managed and unmanaged tables in Hive. gb xq zw zw hf hx ld ht ep ch