ニュース

LinkedIn1年

How to Create SQL DB2 Table with Primary and Foreign Keys

Learn how to use CREATE TABLE, ALTER TABLE, and CONSTRAINT to create, modify, and view primary and foreign keys in SQL DB2 tables.
LinkedIn1年

How to Define a Primary Key in a Dimension Table - LinkedIn

Learn why, how, and when to define a primary key in a dimension table for data engineering. See examples of creating primary keys using SQL.