Database Systems MCQs - Chapter 22
SQL Interview Questions and Answers Quiz Questions & Answers PDF Download - 3
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The SQL Interview Questions and Answers Quiz Questions and Answers PDF, Download SQL Interview Questions and Answers Quiz PDF e-Book Ch. 22-3 to study Database Systems Course. Practice Modification of Database MCQs, SQL Interview Questions and Answers MCQ questions and answers PDF for BSc computer science. Free SQL Interview Questions and Answers Quiz App Download: Database Systems Study App for career test for online computer science schools.
The Quiz: We may wish to change a value in a tuple without changing all values in the tuple. For this purpose, the statement to be used is; "SQL Interview Questions and Answers" App (iOS, Android) with answers: alter, modify, define, and update for online database certification. Study Concurrency Control Concept in DBMS Quiz Questions, download Amazon eBook (Free Sample) for BSc computer science.
SQL Interview Questions and Answers Exam Questions and Answers PDF Download: Test 3
We may wish to change a value in a tuple without changing all values in the tuple. For this purpose, the statement to be used is
- Modify
- Alter
- Define
- Update
SQL expresses an insertion operation as
- insert into r
- insert to r
- insert for r
- insert in r
SQL handles queries on relations containing null values by adding the truth value
- True
- False
- Unknown
- 0/1
To avoid the problem with the order of updates, SQL provides a
- Update construct
- Case construct
- Order construct
- Flow construct
The "Bulk loader" utilities allow data to be read from
- Rewritable text files
- Non-readable text files
- Formatted text files
- Extracted text files
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Database & MySQL MCQ with Answers
- In a relation schema, each key of schema having more than one key is classified as
- Hashing technique which allocates fixed number of buckets is classified as
- Hashing technique which allows increase or decrease in number of buckets without a need of directory is classified as
- Property of normalization of relations which guarantees that functional dependencies are represented in separate relations after decomposition is classified as
- Usage of operations with help of arguments without considering structure of operation implementation is classified as