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CBSE AISSCE 2018 Marking Scheme for Informatics Practices
(Sub Code: 065 Paper Code 90)
Ans (Case 1: If RNO is treated as ID, the following solution should be accepted:)
Output of SELECT statement 1 :
RNO NAME
5 Rajeev
6 Chris
7 Feroze
Output of SELECT statement 2 :
RNO NAME
5 Rajeev
6 Chris
(Case 2 : If RNO is NOT treated as ID, the following should be accepted:)
Output of SELECT statement 1 :
RNO NAME
5 Rajiv
6 Chris
7 Feroze
Output of SELECT statement 2 :
RNO NAME
5 Rajiv
6 Chris
Case 1 and 2 : ( 2 mark for output of any one of the SELECT statement)
Note : 2 marks for mentioning column name error
(f) Name SQL Single Row functions (for each of the following) that 2
(i) returns a number.
(ii) returns lowercase letters.
(iii) returns names of days. For example: “Monday “, “Tuesday”.
(iv) returns weekday number. For example : 1 for Sunday , 2 for Monday , 3 for
Tuesday.
Ans (i) length()/ instr()/ round()/ truncate() or any other correct Single
Row Function that returns a number
(ii) lower() / lcase()
(iii) dayname()
(iv) dayofweek()
(½ mark for each part)
4 (a) Identify the error in the following code: 1
switch(c)
{
case 9.0 : a= a+2;
break;
case 8.0 : a=a+3;
break;
}
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