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SQL for Database Construction Questions

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Find the Output of the below program and choose the correct option.

#include
int main()
{
int to, from, count;
to=10; count= 5; from= 15;
char c;
int n =(count+ 7) / 8;
switch ( count % 8)
{
case 0:
do
{ to++ == from++;
case 7: to++; from++;
case 6: to++ ; from++;
case 5: to++ ; from++;
case 4: to++ ; from++;
case 3: to++ ; from++;
case 2: to++ ; from++;
case 1: to++ ; from++;
} while ( -n > 0 );

}
printf("%d %d",to, from);
}


A11,16

B10,15

C10,20

D15,20

Answer: Option D

Explanation:

Here is no explanation for this answer

Workspace

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What would be the Output?

void main()
{
char input[] = "SSSWILTECH1\1\1";
int i, c;
for ( i=2; (c=input[i])!='\0'; i++)
{
switch(c)
{
case 'a': putchar ('i'); continue;
case '1 ': break;
case 1: while
(( c = input[++i]) != '\1' && c!= '\0');
case 9: putchar('S');
case 'E':
case 'L': continue;
default: putchar(c);continue;
}
putchar(' ');
}
putchar('\n');
}


ASSSWILTECH1

BSWITCH1S

CSWITCH

DError

ENone of these

Answer: Option B

Explanation:

c

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Choose the correct option.

The SQL command to create a table is:


AMAKE TABLE.

BALTER TABLE.

CDEFINE TABLE.

DCREATE TABLE.

Answer: Option D

Explanation:

Here is no explanation for this answer

Workspace

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Choose the correct option.

What SQL structure is used to limit column values of a table?


AThe LIMIT constraint

BThe CHECK constraint

CThe VALUE constraint

DNone of the above is correct.

Answer: Option B

Explanation:

Here is no explanation for this answer

Workspace

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21
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Choose the correct option.

A ________ is a program that performs some common action on database data and that is stored in the database.


Atrigger

Bstored procedure

Cpseudofile

DNone of the above is correct.

Answer: Option B

Explanation:

Here is no explanation for this answer

Workspace

NA
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4
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22
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Choose the correct option.

The DROP TABLE statement:


Adeletes the table structure only.

Bdeletes the table structure along with the table data.

Cworks whether or not referential integrity constraints would be violated.

Dis not an SQL statement.

Answer: Option B

Explanation:

Here is no explanation for this answer

Workspace

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21
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Choose the correct option.

A updatable view has its own data.


ATRUE

BFALSE

Answer: Option B

Explanation:

Here is no explanation for this answer

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Choose the correct option.

What is an SQL virtual table that is constructed from other tables?


AJust another table

BA view

CA relation

DQuery results

Answer: Option B

Explanation:

Here is no explanation for this answer

Workspace

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21
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Choose the correct option.

Views can be used to show the results of computed columns.


ATRUE

BFALSE

Answer: Option A

Explanation:

Here is no explanation for this answer

Workspace

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21
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Choose the correct option.

Views constructed from SQL SELECT statements that conform to the SQL-92 standard may not contain:


AGROUP BY.

BWHERE.

CORDER BY.

DFROM.

Answer: Option C

Explanation:

Here is no explanation for this answer

Workspace

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