Database Developer - Oracle Constraints types We have "alter table" syntax from Oracle to add data constraints in-place in this form: alter table table_name add constraint constraint_name; We can also use "alter
![Chapter 4 Constraints Oracle 10g: SQL. Oracle 10g: SQL 2 Objectives Explain the purpose of constraints in a table Distinguish among PRIMARY KEY, FOREIGN. - ppt download Chapter 4 Constraints Oracle 10g: SQL. Oracle 10g: SQL 2 Objectives Explain the purpose of constraints in a table Distinguish among PRIMARY KEY, FOREIGN. - ppt download](https://images.slideplayer.com/26/8601721/slides/slide_22.jpg)
Chapter 4 Constraints Oracle 10g: SQL. Oracle 10g: SQL 2 Objectives Explain the purpose of constraints in a table Distinguish among PRIMARY KEY, FOREIGN. - ppt download
Can a table in SQL have multiple columns as foreign keys that refer only to one primary key of another table? - Quora
![How to Add Primary Key After Creating a Table | Add Foreign Key After Creating a Table | Oracle 12c - YouTube How to Add Primary Key After Creating a Table | Add Foreign Key After Creating a Table | Oracle 12c - YouTube](https://i.ytimg.com/vi/pX1eqDSD6iE/maxresdefault.jpg)