hive show all tables in database

Sometimes there is a command, others have a SELECT query from the data dictionary. It is used with databases, tables, and view in the hive. Since multiple databases are available so we can select or choose the database to use with the USE command or option. Required fields are marked *. Next we will find list of databases which ends with payment. rev2023.5.1.43405. | ok | summary | SHOW TABLES Presto 0.280 Documentation Derived from product at an existing storage location. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. The tools are both free, but MapReduce is a powerful framework that handles big blocks of data to produce a summarized output Apache Hadoop is the go-to framework for storing and processing big data. Approach is good but it also captures unwanted characters like "+------------+" and etc. DROP is used to drop the existing database. only want information from the dfs.myviews schema: In this example, myviews is a workspace created within the T Ahmad - Hadoop Developer - Deutsche Bank | LinkedIn The file shall contain data about employees: 2. 2. Created Hive Tables Specifying storage format for Hive tables Interacting with Different Versions of Hive Metastore Spark SQL also supports reading and writing data stored in Apache Hive . ), then you can use these queries to show all tables in your database. 12-01-2021 Lesson 3: Run Queries on Complex Data Types, Identifying Multiple Drill Versions in a Cluster, Installing Drill in Distributed Mode with GCP Dataproc, Configuring User Impersonation with Hive Authorization, Configuring HashiCorp Vault authentication, Configuring Drill to use SPNEGO for HTTP Authentication, Configuring a Multitenant Cluster Introduction, Configuring Resources for a Shared Drillbit, Using MicroStrategy Analytics with Apache Drill, Configuring Tibco Spotfire Server with Drill, Using Apache Drill with Tableau 9 Desktop, Using Information Builders WebFOCUS with Apache Drill, Selecting Multiple Columns Within Nested Data, Queries that Qualify for Index-Based Query Plans, Monitoring and Canceling Queries in the Drill Web UI, Sort-Based and Hash-Based Memory-Constrained Operators, Controlling Parallelization to Balance Performance with Multi-Tenancy, Data Sources and File Formats Introduction, Adding Custom Functions to Drill Introduction, Manually Adding Custom Functions to Drill, Submitting Queries from the REST API when Impersonation is Enabled and Authentication is Disabled, Use Postman to Run SQL Queries on Drill Data Sources, Apache Drill M1 Release Notes (Apache Drill Alpha). 7 rows selected (0.499 seconds) You can issue the SHOW FILES command to see a list of all files, tables, and views, including those created in Drill. IN is an optional keyword in SHOW. Hive is a very important component or service in the Hadoop stack. Find list of databases/tables with specific pattern in Hive - REVISIT CLASS How can I find a particular column name within all tables in Hive.?

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