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Consider the following relational schema for students (STU):
The following query is made on the database.
T→ Πid, name (σage >13∧age<16(STU))
T→ Πid, name (σmarks >55∧ marks <66(STU))
T → T2 − T1
The total no. of rows in T is ________.
    Correct answer is '1'. Can you explain this answer?
    Most Upvoted Answer
    Consider the following relational schema for students (STU):The follow...
    Given,
    T1 → Πid, name (σage >13∧ age <16(STU))
    As we know,
    Output:
    Number of rows: 5
    T2→Πid, name (σmarks >55∧ marks <66(STU))
    Output:
    Number of rows: 3
    T→T2−T1
    Output:
    T contains 1 row.
    Hence, the correct answer is 1.
    Free Test
    Community Answer
    Consider the following relational schema for students (STU):The follow...
    Given,
    T1 → Πid, name (σage >13∧ age <16(STU))
    As we know,
    Output:
    Number of rows: 5
    T2→Πid, name (σmarks >55∧ marks <66(STU))
    Output:
    Number of rows: 3
    T→T2−T1
    Output:
    T contains 1 row.
    Hence, the correct answer is 1.
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    Consider the following relational schema for students (STU):The following query is made on the database.T1→ Πid, name (σage >13∧age<16(STU))T2→ Πid, name (σmarks >55∧ marks <66(STU))T → T2 − T1The total no. of rows in T is ________.Correct answer is '1'. Can you explain this answer?
    Question Description
    Consider the following relational schema for students (STU):The following query is made on the database.T1→ Πid, name (σage >13∧age<16(STU))T2→ Πid, name (σmarks >55∧ marks <66(STU))T → T2 − T1The total no. of rows in T is ________.Correct answer is '1'. Can you explain this answer? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about Consider the following relational schema for students (STU):The following query is made on the database.T1→ Πid, name (σage >13∧age<16(STU))T2→ Πid, name (σmarks >55∧ marks <66(STU))T → T2 − T1The total no. of rows in T is ________.Correct answer is '1'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following relational schema for students (STU):The following query is made on the database.T1→ Πid, name (σage >13∧age<16(STU))T2→ Πid, name (σmarks >55∧ marks <66(STU))T → T2 − T1The total no. of rows in T is ________.Correct answer is '1'. Can you explain this answer?.
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