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How to Add Foreign key Constraint in Oracle SQL Database, Foreign key in SQL, what is Constraints and Types of Constraints in an Oracle SQL Database | integrity Constraints in SQL all above-mentioned question will be get answered in this video A foreign key means that values in one table must also appear in another table, there are two tables in foreign key constraint, parent table, and child table, A foreign key can be defined in either a CREATE TABLE statement or an ALTER TABLE statement. Explaining constraints and types of constraints in Oracle or Constraints in Oracle SQL database or Constraints is nothing but a set of rules which is applied to the columns of any table in the database --------------------- Assignment: ---------------------- https://drive.google.com/open?id=1K0iUiL_FRvercFBvSLVYHVMIed0U2GOL In this series we cover the following topics: SQL basics, create table oracle, SQL functions, SQL queries, SQL server, SQL developer installation, Oracle database installation, SQL Statement, OCA, Data Types, Types of data types, SQL Logical Operator, SQL Function,Join- Inner Join, Outer join, right outer join, left outer join, full outer join, self-join, cross join, View, SubQuery, Set Operator. follow me on: Facebook Page: https://www.facebook.com/LrnWthr-319371861902642/?ref=bookmarks Contacts Email: [email protected] Instagram: https://www.instagram.com/equalconnect/ Twitter: https://twitter.com/LrnWthR
