Oracle DROP foreign key.
After creating a foreign key, you may need to drop the foreign key from the table. You can do this with the ALTER TABLE operator in Oracle/PLSQL….
Oracle Foreign Keys.
Foreign Keys is a way to ensure data integrity in your Oracle database. A Foreign Keys means that values in one table must also appear in another tabl…
Oracle Primary Keys.
In Oracle PLSQL primary key is a single field or a combination of fields that determines the uniqueness of the record. Fields that are part of the pri…
Oracle Indexes.
In this post you will learn how to create, rename and drop indexes in Oracle/PLSQL with syntax and examples….
Oracle unique constraints.
In this post you will learn how to create, delete, disable, and enable unique constraints in Oracle with syntax and examples.
A unique constraint is…
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