Alter Table & Drop Primary Key Constraint Oracle Code Example


Example: drop primary key oracle

-- Dropping Using alter ALTER TABLE table_name DROP CONSTRAINT constraint_name;

Comments

Post a Comment

Popular posts from this blog

Chrome Ipad Extensions Code Example

Example: chrome extension on ipad No, Chrome extensions do not work on iPad or iPhone. There is no web browser for the iPad that allows a desktop-level extension. It is not Apple’s policy to allow developers to include downloadable module engines in their apps, for multiple reasons which also include Apple’s security restrictions.
Read more

Can I Pass Parameters In Computed Properties In Vue.Js

Answer : Most probably you want to use a method <span>{{ fullName('Hi') }}</span> methods: { fullName(salut) { return `${salut} ${this.firstName} ${this.lastName}` } } Longer explanation Technically you can use a computed property with a parameter like this: computed: { fullName() { return salut => `${salut} ${this.firstName} ${this.lastName}` } } (Thanks Unirgy for the base code for this.) The difference between a computed property and a method is that computed properties are cached and change only when their dependencies change. A method will evaluate every time it's called . If you need parameters, there are usually no benefits of using a computed property function over a method in such a case. Though it allows you to have a parametrized getter function bound to the Vue instance, you lose caching so not really any gain there, in fact, you may break reactivity (AFAIU). You can read more about this in Vue documentation htt...
Read more