Question
If it was Thursday on 1st January 2011, then what was
the day on 30th November 2011?Solution
2011 is not a leap year. So, 333 (31+28+31+30+31+30+31+31+30+31+29) days have passed till 30th November 2011. The days of the week repeat themselves after 7 days. The number of odd days = 4 So, it was Monday on 30th November 2011. Hence, option d.
In a relational database, which relationship allows multiple records in one table to be associated with multiple records in another table?
To remove all rows from a table without logging individual row deletions and without firing triggers, which command would you typically use?
A table is in 2NF (Second Normal Form) if it is in 1NF and:
Which SQL statement is used to remove all rows from a table without logging individual row deletions?
A data warehouse is primarily characterized by which of the following properties?
Which key uniquely identifies a record in a table?
Which of the following is true about ACID properties in DBMS?
Query optimization heuristic that “pushes selections down” improves:
Which of the following is used to enforce referential integrity?
Which normal form eliminates repeating groups by putting them into separate tables and connecting them through foreign keys?
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