connect Open a new connection to the database. !dbinfo Give metadata information about the database !describe Describe a table !dropall Drop all tables in the current database !exportedkeys List all the exported keys for the specified table !go Select the current connection !help Print a sum...
使用SHOW TABLES命令查找数据表 Hive提供了SHOW TABLES命令,用于列出当前数据库中的所有数据表。下面是一个示例: SHOW TABLES; 1. 这将返回一个表格,列出当前数据库中的所有数据表,如下所示: Tables_in_database table1 table2 table3 使用DESCRIBE命令查看数据表结构 除了查找数据表名称,有时还需要查看数据表的结...
1.1 数据库(database) 1.1.1 创建数据库 1)语法 CREATE DATABASE [IF NOT EXISTS] database_name [COMMENT database_comment] [LOCATION hdfs_path] [WITH DBPROPERTIES (property_name=property_value, ...)]; 2)案例 (1)创建一个数据库,不指定路径 ...
connect Open a new connection to the database. !dbinfo Give metadata information about the database !describe Describe a table !dropall Drop all tables in the current database !exportedkeys List all the exported keys for the specified table !go Select the current connection !help Print a sum...
--显示数据库SHOW DATABASES;--显示表SHOW TABLES[IN database_name];--显示分区SHOW PARTITIONS table_name;--显示一部分分区SHOW PARTITIONS[db_name].table_name[PARTITION(partition_desc)];--显示表/分区扩展信息SHOWTABLEEXTENDED[IN|FROM database_name]LIKEidentifier_with_wildcards[PARTITION(partition_desc...
!tables List all the tables in the database !typeinfo Display the type map for the current connection !verbose Set verbose mode on 4. 常用的几个command !connect url –连接不同的Hive2服务器 !exit –退出shell !help –显示全部命令列表 ...
SHOW TABLE EXTENDED will list information for all tables matching the given regular expression. Users cannot use regular expression for table name if a partition specification is present. 显示的信息更全面 代码语言:javascript 复制 SHOWTABLEEXTENDED[IN|FROMdatabase_name]LIKE'identifier_with_wildcards'[...
(s"SHOW PARTITIONS$databaseName.$tableName").count()>0).getOrElse(false)}// 获取数据库中的所有表valtables=spark.catalog.listTables(databaseName).collect()// 过滤出分区表valpartitionedTables=tables.filter(table=>isPartitionedTable(table.name))// 打印分区表名partitionedTables.foreach(table=>...
i am trying to get the list of tables and columns using a single query. may i know how can i do that ? I am looking for something like ex: 'select * from dbc.columns where tables like 'E%' How do we achive that in hive?
When I open DBeaver, The dabase just shows the table `localizacao`: This database has 3 tables. If I run the command show tables from raw_aneel, DBeaver interface will display: The error message in english would be: org.jkiss.dbeaver.model.exec.DBCException: SQL Error [S1090]:...