From the course: Oracle Database 19c: Advanced SQL

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Row-level constraints (same column or another column)

Row-level constraints (same column or another column) - Oracle Database Tutorial

From the course: Oracle Database 19c: Advanced SQL

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Row-level constraints (same column or another column)

- Constraints in an Oracle database are key component that help ensure data integrity and do a lot of your data validation work automatically in the database. What is a Database Constraint or Inline Constraint? Let's start with a dictionary definition. Many times it helps me understand what the feature does In the Database. In this case, the first definition does make sense. A database constraint puts limits on values in particular columns within the row or limitations on the columns value based on a common and other table. It's also referred to as an integrity constraint in an Oracle Database. Since it helps enforce relational integrity and data quality throughout a database. The types of integrity constraints you can create in an Oracle Database are many. First, there are the row specific constraints, not null, and check. There are two types of constraints that ensure uniqueness for that column and every row the unique constraint and a special version of the unique constraint called…

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