PL/SQL stands for Procedural Language extension of SQL. PL/SQL is a combination of SQL along with the procedural features of programming languages. It was developed by Oracle Corporation in the early ...
# Primary key is a column that uniquely identifies each row in a table. It means any value of that column will not same and null # Forign key is a coulmn that create relation between two tables and It ...
03-Additional-Base-Operations 04-Set-Operations 05-Null-Value-Handling Chapter-2-Advanced-SQL Chapter-3-Intermediate-SQL Practice-Assignments LEARNING-PATH.md ...
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