41. In E-R Notation, multivalued attribute is represented by _______
Answer : Double-Ellipse.
42. A view of database that appears to an application program is known as?
Answer : subscheme.
43. What is the difference between SQL99 and SQL3
Answer : both are one and the same.
44. What is the order of execution of SQL clauses 1.having 2.group by 3.where 4.orderby
Answer : 3 2 1 4.
45. The max length of varchar2 when used in table is
Answer : 4k.
46. Implicit and Explicit cursor has attribute
Answer : %ISOPEN.
47. Which of the following trigger types will be impacted by constraining factors brought on by mutating tables
Answer : row triggers only.
48. DBMS does not have ________model
Answer : hybrid model.
49. Which of the following statement is true about implicit cursors
Answer : implicit cursors are used for SQL statements that are not named.
50. A block from database buffer cache is marked as __________when modified
Answer : Dirty.