Refer to CBSE Class 12 Informatics Practices More On Sql Grouping Records and Table Joins MCQs provided below. CBSE Class 12 Informatics Practices MCQs with answers available in Pdf for free download. The MCQ Questions for Class 12 Informatics Practices with answers have been prepared as per the latest syllabus, CBSE books and examination pattern suggested in Class 12 by CBSE, NCERT and KVS. Multiple Choice Questions for More On Sql Grouping Records and Table Joinss are an important part of exams for Class 12 Informatics Practices and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 12 Informatics Practices and also download more latest study material for all subjects
MCQ for Class 12 Informatics Practices More On Sql Grouping Records and Table Joinss
Class 12 Informatics Practices students should refer to the following multiple-choice questions with answers for More On Sql Grouping Records and Table Joinss in Class 12. These MCQ questions with answers for Class 12 Informatics Practices will come in exams and help you to score good marks
More On Sql Grouping Records and Table Joinss MCQ Questions Class 12 Informatics Practices with Answers
Question: Which of the following will give the same answer irrespective of the NULL values in the specified column:
a) MIN()
b) MAX()
c) SUM()
d) None of the above
Answer: C
Question: An aggregate function:
a) Takes a column name as its arguments
b) May take an expression as its argument
c) Both (a) and (b)
d) None of (a) and (b)
Answer: C
Question: HAVING is used in conjunction with
a) WHERE
b) GROUP BY clause
c) Aggregate functions
d) None of the above
Answer: B
Question: In the FROM clause of a SELECT statement
a) Multiple Column Names are specified.
b) Multiple table names are specified
c) Multiple Column Names may be specified.
d) Multiple table names may be specified.
Answer: D
Question: JOIN in RDBMS refers to
a) Combination of multiple columns
b) Combination of multiple rows
c) Combination of multiple tables
d) Combination of multiple databases
Answer: C
Question: Referential integrity
a) Must be maintained
b) Cannot be maintained
c) Is automatically maintained by databases
d) Should not be maintained
Answer: A
Question: Equi-join is formed by equating
a) Foreign key with Primary key
b) Each row with all other rows
c) Primary key with Primary key
d) Two tables
Answer: A
Question: A Primary key column
a) Can have NULL values
b) Can have duplicate values
c) Both (a) and (b)
d) Neither (a) nor (b)
Answer: D
Question: Primary Key of a table can be
a) Defined at the time of table creation only.
b) Defined after table creation only.
c) Can be changed after table creation
d) Cannot be changed after table creation
Answer: A
Question: Two SELECT commands in a UNION
a) Should select same number of columns.
b) Should have different number of columns
c) Both (a) and (b)
d) Neither (a) nor (b)
Answer: C
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CBSE Class 12 Informatics Practices More On Sql Grouping Records and Table Joinss MCQs
We hope students liked the above MCQs for More On Sql Grouping Records and Table Joinss designed as per the latest syllabus for Class 12 Informatics Practices released by CBSE. Students of Class 12 should download the Multiple Choice Questions and Answers in Pdf format and practice the questions and solutions given in above Class 12 Informatics Practices MCQs Questions on daily basis. All latest MCQs with answers have been developed for Informatics Practices by referring to the most important and regularly asked topics which the students should learn and practice to get better score in school tests and examinations. Studiestoday is the best portal for Class 12 students to get all latest study material free of cost.
MCQs for Informatics Practices CBSE Class 12 More On Sql Grouping Records and Table Joinss
Expert teachers of studiestoday have referred to NCERT book for Class 12 Informatics Practices to develop the Informatics Practices Class 12 MCQs. If you download MCQs with answers for the above chapter daily, you will get higher and better marks in Class 12 test and exams in the current year as you will be able to have stronger understanding of all concepts. Daily Multiple Choice Questions practice of Informatics Practices and its study material will help students to have stronger understanding of all concepts and also make them expert on all critical topics. You can easily download and save all MCQs for Class 12 Informatics Practices also from www.studiestoday.com without paying anything in Pdf format. After solving the questions given in the MCQs which have been developed as per latest course books also refer to the NCERT solutions for Class 12 Informatics Practices designed by our teachers
More On Sql Grouping Records and Table Joinss MCQs Informatics Practices CBSE Class 12
All MCQs given above for Class 12 Informatics Practices have been made as per the latest syllabus and books issued for the current academic year. The students of Class 12 can refer to the answers which have been also provided by our teachers for all MCQs of Informatics Practices so that you are able to solve the questions and then compare your answers with the solutions provided by us. We have also provided lot of MCQ questions for Class 12 Informatics Practices so that you can solve questions relating to all topics given in each chapter. All study material for Class 12 Informatics Practices students have been given on studiestoday.
More On Sql Grouping Records and Table Joinss CBSE Class 12 MCQs Informatics Practices
Regular MCQs practice helps to gain more practice in solving questions to obtain a more comprehensive understanding of More On Sql Grouping Records and Table Joinss concepts. MCQs play an important role in developing understanding of More On Sql Grouping Records and Table Joinss in CBSE Class 12. Students can download and save or print all the MCQs, printable assignments, practice sheets of the above chapter in Class 12 Informatics Practices in Pdf format from studiestoday. You can print or read them online on your computer or mobile or any other device. After solving these you should also refer to Class 12 Informatics Practices MCQ Test for the same chapter
CBSE MCQs Informatics Practices Class 12 More On Sql Grouping Records and Table Joinss
CBSE Class 12 Informatics Practices best textbooks have been used for writing the problems given in the above MCQs. If you have tests coming up then you should revise all concepts relating to More On Sql Grouping Records and Table Joinss and then take out print of the above MCQs and attempt all problems. We have also provided a lot of other MCQs for Class 12 Informatics Practices which you can use to further make yourself better in Informatics Practices
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Multiple Choice Questions (MCQs) for More On Sql Grouping Records and Table Joinss Class 12 Informatics Practices are objective-based questions which provide multiple answer options, and students are required to choose the correct answer from the given choices.