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Database MCQ
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- 02nd Jun, 2022
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Database MCQ Questions
Following are mostly asked Database MCQ test that are designed for professionals like you to crack you interviews. You can take this Database online test before appearing to you real interview. This Database quiz there are around 30+ multiple choice questions on Database with four options.
1) The DBMS acts as an interface between what two components of an enterprise-class database system?
2) Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM?
3) An on-line commercial site such as Amazon.com is an example of
4) The following are functions of a DBMS except .........
5) Which of the following is not considered to be a basic element of an enterprise-class database system?
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6) The command to eliminate a table from a database is:
7) SQL data definition commands make up a
8) Which of the following is valid SQL for an Index?
9) Which of the following do you need to consider when you make a table in SQL?
11) Which of the following SQL statement that queries or reads data from a table?
12) Which of the following was adopted as a national standard by ANSI in 1992?
13) SQL is a:
14) Which of the following is a group of one or more attributes that uniquely identifies a row?
16) A relation in this form is free of all modification anomalies.
17) The SQL statement to create a view is
18) Which of the following is NOT a type of SQL constraint?
19) What is an SQL virtual table that is constructed from other tables?
20) What is not an advantage of stored procedures?
21) Database redesign is not terribly difficult if the:
22) How many copies of the database schema are typically used in the redesign process?
23) What type of join is needed when you wish to return rows that do have matching values?
24) Which of the following is one of the basic approaches for joining tables?
25) Which of the following is true concerning triggers?
26) he most popular way to materialize XML documents is to use:
27) XML Schemas consist of:
28) A _____ indicates an absent value that may exist but be unknown or that may not exist at all.
29) Using the ______ clause retains only one copy of such identical tuples.
30) A Boolean data type that can take values true, false, and________
31) The ________ keyword is used to access attributes of preceding tables or subqueries in the from clause.
32) Which of the following is not an aggregate function?
33) A Delete command operates on ______ relation.
34) The problem of ordering the update in multiple updates is avoided using
35) Which of the join operations do not preserve non matched tuples?
36) The operation which is not considered a basic operation of relational algebra is
37) Which of the following is the syntax for views where v is view name?
38) Which of the following makes the transaction permanent in the database?
39) Which of the following is not an integrity constraint?
40) Which of the following is the right syntax for the assertion?
41) Which of the following is used to store movie and image files?
42) Which of the following is used to access the database server at the time of executing the program and get the data from the server accordingly?
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