Create Table is a statement used to create a table in Hive. The syntax and example are as follows: Syntax CREATE[TEMPORARY][EXTERNAL]TABLE[IF NOT EXISTS][db_name.]table_name[(col_name data_type [COMMENT col_comment], ...)][COMMENT table_comment][ROW FORMAT row_format][STORED AS file...
使用Hive 格式定义表。 语法 SQL 复制 CREATE [ EXTERNAL ] TABLE [ IF NOT EXISTS ] table_identifier [ ( col_name1[:] col_type1 [ COMMENT col_comment1 ], ... ) ] [ COMMENT table_comment ] [ PARTITIONED BY ( col_name2[:] col_type2 [ COMMENT col_comment2 ], ... ...
It is used to alter a table in Hive. Syntax The statement takes any of the following syntaxes based on what attributes we wish to modify in a table. ALTERTABLEname RENAMETOnew_nameALTERTABLEnameADDCOLUMNS (col_spec[, col_spec ...])ALTERTABLEnameDROP[COLUMN]column_name --- 译注:这个drop...
create table tablePartition(s string) partitioned by(pt string); hive> explain create table tablePartition(s string) partitioned by(pt string); OK ABSTRACT SYNTAX TREE: (TOK_CREATETABLE tablePartition TOK_LIKETABLE (TOK_TABCOLLIST (TOK_TABCOL s TOK_STRING)) (TOK_TABLEPARTCOLS (TOK_TABCOL...
} return null; //普通的CREATE_TABLE或者CTLT,返回null } create table tablePartition(s string) partitioned by(pt string); hive> explain create table tablePartition(s string) partitioned by(pt string); OK ABSTRACT SYNTAX TREE: (TOK_CREATETABLE tablePartition TOK_LIKETABLE (TOK_TABCOLLIST (...
-- Create a table from files in a specific format CREATE TABLE sales_data USING PARQUET LOCATION '/mnt/data/sales'; Powered By CREATE TABLE (Hive-Format) Diese Legacy-Syntax ähnelt dem Standard-SQL-Befehl CREATE TABLE, der bei der Definition einer Tabelle mit von Databricks verwalteten ...
Syntax: The general syntax for creating a table and specifying its columns is as follows: Explicit column definitions: CREATE [EXTERNAL] TABLE [IF NOT EXISTS] [db_name.]table_name(col_namedata_type[COMMENT 'col_comment'] [, ...] ) [PARTITIONED BY (col_namedata_type[COMMENT 'col_commen...
Syntax:[schema_name.]table_name EXTERNAL Defines the table using the path provided inLOCATION. PARTITIONED BY Partitions the table by the specified columns. ROW FORMAT Use theSERDEclause to specify a custom SerDe for one table. Otherwise, use theDELIMITEDclause to use the native SerDe and sp...
1. Is it possible to create a Hive table with Not Null constraints? If yes, can you please provide me syntax. 2. What are the constraints are supported in Hive table? If possible please provide me the link which has the details on constraints supported by Hive for Cloudera distribution. ...
In this article, we have learned about theCREATE ASstatement in Hive, which allows users to create a new table based on the results of a query. We have seen the syntax of the statement and how to use it with an example. TheCREATE ASstatement in Hive provides efficiency, data manipulation...