⟩ Please explain what is the difference between UNION and UNION ALL?
UNION will omit duplicate records, whereas UNION ALL will include duplicate records. UNION requires the server to do the additional work of removing any duplicates.
UNION will omit duplicate records, whereas UNION ALL will include duplicate records. UNION requires the server to do the additional work of removing any duplicates.
Explain me what is Stored procedure?
Please explain what is DBMS?
Can you tell me the ACID properties and explain?
Tell us what are the different DML commands in SQL?
Explain me what is the difference between Rename and Alias?
Tell me what is the difference between NULL value, Zero, and Blank space?
Please explain what is a NULL value?
Tell us what is an Index?
Tell us how to Test for NULL Values?
Tell me what are the advantages of Views?