(1/3) + (2/5) + (3/4) + (11/10) = 3 – (?/12)
(1/3) + (2/5) + (3/4) + (11/10) = 3 – (?/12) (1 × 20 + 2 × 12 + 3 × 15 + 11 × 6) ÷ 60 = 3 – (?/12) (20 + 24 + 45 + 66) ÷ 60 = (36 - ?)/12 155/60 = (36 - ?)/12 36 - ? = (155/60) × 12 31 = 36 - ? ? = 5
Which of the following statements about ACID properties in a DBMS is incorrect?
Pick the odd one out.
The purpose of the primary key in a database is to
Which of the following is true about Information?
In the context of databases, what does the term sharding refer to?
Which of the following joins returns all rows from both tables, filling in NULL values for non-matching rows?
What is the full form of DBMS?
Which normal form deals with the issue of transitive dependencies?
In a relational database, a foreign key is used to:
Which of the following is used to speed up data retrieval in a relational database?
