Hive drops the table at the end of the session.

HIVE-4659 while sql contains \t ， 'desc formatted view_name' and 'show create table view_name' statements will generate Incomplete results Open HIVE-11706 Implement "show create database" Sqoop only supposed delimited file formats with the create-hive-table tool. The SHOW CREATE TABLE command Hive provided table command that can be used when you want to generate DDL for the single Hive table.
The Command is similar to CREATE TABLE command, except it dumps DDL instead of creating tables. Most users such as business analysts tend to use SQL and ODBC/JDBC through HiveServer2 and their access can be controlled using this authorization model. Let us assume you need to create a table named employee using CREATE TABLE …



The SHOW statement is a flexible way to get the information about existing objects in Hive. Below is the syntax to dump Hive table DDL on standard output: SHOW CREATE TABLE Hive_Table; SHOW CREATE TABLE … MariaDB and MySQL-specific table options, column options, and index options are not included in the output of this statement if the NO_TABLE_OPTIONS, NO_FIELD_OPTIONS and NO_KEY_OPTIONS SQL_MODE flags are used.

As the table is external, the data is not present in the Hive directory.

You also need to define how this table should deserialize the data to rows, or serialize rows to data, i.e. This article shows how to import Hive tables from cloud storage into Databricks, using an external table. Temporary table data persists only during the current Apache Hive session. The following examples demonstrate the steps that you can follow when you want to issue the SHOW TABLES command on the file system, Hive, and HBase. For Hive CLI, Pig, and MapReduce users access to Hive tables can be controlled using storage based authorization enabled on the metastore server.

In Step (A) the keywords WITH DEFERRED REBUILD instructs Hive to first create an empty index; Step (B) is where you actually build the index with the ALTER INDEX … REBUILD command.

Step 1: Show the CREATE TABLE statement Invalid table …

If a table or view already exists with the same name, then the error is thrown. Deferred index builds can be very useful in workflows where one process creates the tables and indexes, another loads the data and builds the indexes and a final process performs data analysis.
Create Table is a statement used to create a table in Hive.

Show Create Table which generates and shows the Create table statement for the given table. One of the Show statement is Show create table which is used to get the create table statement for the existing Hive table.. Show Create Table. Attachments. You cannot create Hive or HBase tables in Drill.

17/01/16 23:43:38 INFO tool.BaseSqoopTool: Using Hive-specific delimiters for output. the “input format” and “output format”.

For those looking for an easy graphical tool, the Hive View 2.0 (included with Ambari 2.5 and up) has the ability to view table and column level stats, and to compute them if they are missing. The create external keyword is used to create a table and provides a location where the table will create, so that Hive does not use a default location for this table.

An EXTERNAL table points to any HDFS location for its storage, rather than default storage. Perhaps this could be implemented by having new tables automatically SET PROPERTIES (create_command='raw text of the create statement')? Sort By Name; Sort By Date; Ascending; Descending; Attachments.

When you create a Hive table, you need to define how this table should read/write data from/to file system, i.e. SHOW CREATE TABLE quotes table and column names according to the value of the sql_quote_show_create server system variable.

Running Sqoop’s create-hive-table with --as-avrodatafile… ERROR!

The syntax and example are as follows: Syntax CREATE [TEMPORARY] [EXTERNAL] TABLE [IF NOT EXISTS] [db_name.] Create a temporary table to improve performance by storing data outside HDFS for intermediate use, or reuse, by a complex query. HIVE-967.2.patch.txt … We can use If a table or view already exists with the same name, then the error is thrown. The CREATE TABLE statement in Hive is used to create a table with the given name. MariaDB starting with 10.0.13. the “serde”.

Therefore, if we try to drop the table, the metadata of the table will be deleted, but the data still exists. Show Create Table which generates and shows the Create table statement for the given table. Specifying storage format for Hive tables. SHOW CREATE TABLE command Synax. 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.

Examples.

Rather than manually deleting tables needed only as temporary data in a complex query, Hive automatically deletes all temporary tables at the end of the Hive session in which they are created.