SQL (Structured Query Language) Question: If unique key constraint on DATE column is created, will it validate the rows that are inserted with SYSDATE? SQL Interview QuestionAnswer: It won't, Because SYSDATE format contains time attached with it. Previous QuestionNext QuestionWhat are the pre-requisites to modify datatype of a column and to add a column with NOT NULL constraint?How to access the current value and next value from a sequence? Is it possible to access the current value in a session before accessing next value?
