Which of the following statements are DML statements?
$(a)$ Update $[tablename]$ Set $[columnname]=VALUE$
$(b)$ Delete $[tablename]$
$(c)$ Select $*$ from $[tablename]$
Previous 10 Questions — UGC NET Computer Science June 2019 (Paper II)
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In relational database management, which of the following is/are property/properties of candidate key?$P$: Uniqueness
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Topic: UGC NET Computer Science June 2019 (Paper II)
Which of the following key constraints is required for functioning of foreign key in the context of relational database…
Topic: UGC NET Computer Science June 2019 (Paper II)
In relational databases, if relation $R$ is in $BCNF$, then which of the following is true about relation $R$?
Topic: UGC NET Computer Science June 2019 (Paper II)
With respect to relational algebra, which of the following operations are included for mathematical set theory?
$(a)$ J…
Topic: UGC NET Computer Science June 2019 (Paper II)
Which of the following has same expressive power with regard to relational query language?
$(a)$ Relational algebra and…
Topic: UGC NET Computer Science June 2019 (Paper II)
Using the Phong reflectance model, the strength of the specular highlight is determined by the angle between:
Topic: UGC NET Computer Science June 2019 (Paper II)
In the context of $3D$ computer graphics, which of the following statements is/are true?
$P$: Orthographic transformati…
Topic: UGC NET Computer Science June 2019 (Paper II)
Consider the following statements regarding $2D$ transforms in computer graphics:
$S1$:
[
1
0
…
Topic: UGC NET Computer Science June 2019 (Paper II)
Consider a raster system with resolution $640$ by $480$. What size is frame buffer in bytes for this system to store $1…
Topic: UGC NET Computer Science June 2019 (Paper II)
Which of the following statements is/are true?$P$: An XML document with correct syntax as specified by W3C is called "W…
Topic: UGC NET Computer Science June 2019 (Paper II)
Next 10 Questions — UGC NET Computer Science June 2019 (Paper II)
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Hadoop, a big data tool, works with a number of related tools. Choose from the following, the common tools included int…
Topic: UGC NET Computer Science June 2019 (Paper II)
Which of the following features is supported in the relational database model?
Topic: UGC NET Computer Science June 2019 (Paper II)
The following table has two attributes Employee_id and Manager_id, where Employee_id is a primary key and Manager_id is…
Topic: UGC NET Computer Science June 2019 (Paper II)
$K$-mean clustering algorithm has clustered the given $8$ observations into $3$ clusters after $1^{st}$ iteration as fo…
Topic: UGC NET Computer Science June 2019 (Paper II)
Consider a disk system with $100$ cylinders. The requests to access the cylinders occur in the following sequence:
$4,3…
Topic: UGC NET Computer Science June 2019 (Paper II)
Match List-I with List-II:
List-I
List-II
(a) Disk
…
Topic: UGC NET Computer Science June 2019 (Paper II)
Which of the following are NOT shared by the threads of the same process?
$(a)$ Stack
$(b)$ Registers
$(c)$ Address spa…
Topic: UGC NET Computer Science June 2019 (Paper II)
Consider that a process has been allocated $3$ frames and has a sequence of page referencing as $1,2,1,3,7,4,5,6,3,1$. …
Topic: UGC NET Computer Science June 2019 (Paper II)
Consider three CPU intensive processes, which require $10,20$ and $30$ units of time and arrive at times $0,2$ and $6$ …
Topic: UGC NET Computer Science June 2019 (Paper II)
At a particular time of computation, the value of a counting semaphore is $7$. Then $20$ $P$ wait operations and $15$ $…
Topic: UGC NET Computer Science June 2019 (Paper II)
