在Teradata 中,CREATE TABLE 语句用于创建一个新的表。其基本格式如下: sql CREATE TABLE table_name ( column1 datatype [constraint], column2 datatype [constraint], ... [PRIMARY KEY (column1, column2, ...)], [UNIQUE (column1, column2, ...)], [FOREIGN KEY (column1, column2, ...) ...
Teradata的CREATE TABLE (缩写关键字为CT)语句用于创建表。示例:输入:CREATE TABLE输出:执行CREATE tab2 AS tab1时,从tab1中复制的结构将用于创建表tab2。如果CREATE TABLE语句包含WITH DATA选项,则会将tab1的数据也复制到tab2中。使用CREATE AS时,源
It is recommended that we should explicitly specify the PRIMARY INDEX for a column in a table since we can assign a proper field for a primary index that will help Teradata to spread the data across the amps efficiently. CREATE SET TABLE tbl_employee ( EmpID INT, EmpName VARCHAR(20) )...
Create Table in Teradata - Learn how to create tables in Teradata with our tutorial. Discover syntax, examples, and best practices for efficient data management.
The Teradata CREATE TABLE (short key CT) statements are used to create new tables.Example:Input: CREATE TABLEOutput:When CREATE tab2 AS tab1 is executed, the structure co
-- Create a new external tableCREATEEXTERNALTABLE{database_name.schema_name.table_name|schema_name.table_name|table_name} (<column_definition>[ ,...n ] )WITH(LOCATION='folder_or_filepath',DATA_SOURCE=external_data_source_name, [FILE_FORMAT=external_file_format_name] [ ,<reject_options>[...
在云计算领域中,Create table语句是用于创建数据库表的DDL(数据定义语言)语句。如果在大查询的Create table语句中出现DDL错误,可能会导致表的创建失败或表结构不符合预期。 解决DDL错误需要通过仔细检查和调试来定位并解决问题。以下是一些常见的DDL错误和解决方法: 语法错误:在Create table语句中可能存在语法错误,例如拼...
-- Create a new external tableCREATEEXTERNALTABLE{database_name.schema_name.table_name|schema_name.table_name|table_name} (<column_definition>[ ,...n ] )WITH(LOCATION='folder_or_filepath',DATA_SOURCE=external_data_source_name, [FILE_FORMAT=external_file_format_name] [ ,<reject_options>[...
-- Create a new external tableCREATEEXTERNALTABLE{database_name.schema_name.table_name|schema_name.table_name|table_name} (<column_definition>[ ,...n ] )WITH(LOCATION='folder_or_filepath',DATA_SOURCE=external_data_source_name, [FILE_FORMAT=external_file_format_name] [ ,<reject_options>[...
IBM JR20264: TERADATA WRAPPER NEEDS TO HAVE UPDATE AUTHORITY ON THE TABLE OTH ERWISE CREATE NICKNAME WILL FAIL - United StatesIbm Corporation