A _________ of the database is a group of fields
(a) Table
(b) Forms
(c) Query
(d) None of these
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Carbon (Z=6) is the element of group-IVA of periodic table. Which of the following is the atomic number of next number in the group
Correct option is B) 14
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Match the following. Group – A 1) ‘O’ group 2) AB’ group
Group – A Group – B 1) ‘O’ group D) Universal donors 2) AB’ group A) Universal recipients 3) Myeline sheath B) Axon 4) Land Steiner E) Blood groups 5) Granulocytes C) Eosinophils
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(i) A table, ITEM has been created in a database with the following fields: ITEMCODE, ITEMNAME, QTY, PRICE
(i) ALTER TABLE Item ADD (Discount INT); (ii ) DDL: DROP TABLE, ALTER TABLE DML: INSERT INTO, UPDATE. ..SET
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Aryan, a database administrator, has grouped records of a table with the help of group by clause.
Having clause is used to further filter those groups of records which will be generated through group by clause. For example: Select max(marks) from student group by classes having classes in (10,12); Above...
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State the trends in the following properties of group 1 and group 2 elements down a group.
Sr. no. Property Down a group i Atomic radii Increases ii Ionic radii Increases iii Ionization enthalpy Decreases iv Electronegativity Decreases v Standard reduction potential Decreases
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____ are the fundamental building blocks of the database. (a) Tables (b) Forms (c) Queries (d) Reports
Correct answer is (a) Tables
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Choose the level of database abstraction that describes what data is stored in the database and what relationships exist among them,
Correct answer is (b) Logical
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Related fields in a database are grouped to form a
(b) data record
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The command to eliminate the table CUSTOMER from a database is:
(b) DROP TABLE CUSTOMER
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Consider the following Query in SQL. SELECT Department, avg(salary)
‘where’ clause applies on single rows but Having clause applies on a group.
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