What is sql key?
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what is a foreign key ? : Sql dba
tell me about various levels of constraint. : Sql dba
Explain polymorphism in pl/sql.
Is natural join same as inner join?
How many joins can you have in sql?
What do you mean by dbms? What are its different types?
How is data stored in sql?
what is a constraint? Tell me about its various levels. : Sql dba
Can we use out parameter in function?
Is truncate ddl or dml?
Delete duplicate records in the emp table.
Is left join same as join?