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Q:- The command to remove rows from a table 'CUSTOMER' is:
Q:- The command to remove rows from a table 'CUSTOMER' is:
Anonymous Quiz
19%
A.REMOVE FROM CUSTOMER ...
29%
B.DROP FROM CUSTOMER ...
45%
C.DELETE FROM CUSTOMER WHERE ...
7%
D.UPDATE FROM CUSTOMER ...
Q :The SQL WHERE clause:
Anonymous Quiz
16%
A. limits the column data that are returned.
30%
B. limits the row data are returned.
49%
C. Both A and B are correct.
6%
D. Neither A nor B are correct.
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Q: Which of the following is the original purpose of SQL?
Q: Which of the following is the original purpose of SQL?
Anonymous Quiz
17%
A. To specify the syntax and semantics of SQL data definition language
33%
B. To specify the syntax and semantics of SQL manipulation language
15%
C. To define the data structures
35%
D. All of the above.
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Q:- The wildcard in a WHERE clause is useful when?
Q:- The wildcard in a WHERE clause is useful when?
Anonymous Quiz
28%
A.An exact match is necessary in a SELECT statement.
38%
B.An exact match is not possible in a SELECT statement.
27%
C.An exact match is necessary in a CREATE statement.
6%
D.An exact match is not possible in a CREATE statement.
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DSA in Java Free Book
http://dept.cs.williams.edu/~bailey/JavaStructures/Book_files/JavaStructures.pdf
Java Tutorial for complete Beginners
[4.5 star ratings out of 5]
https://bit.ly/3hbu3Dg
Java Programming Basics FREE UDACITY COURSE
https://bit.ly/3FP4Vzy
Java Notes for Professionals FREE book
https://books.goalkicker.com/JavaBook/JavaNotesForProfessionals.pdf
Java in 21 days FREE BOOK
https://www.cs.cmu.edu/afs/cs.cmu.edu/user/gchen/www/download/java/LearnJava.pdf
Data Structure and Algorithms in Java
Free websites to practice Java
https://www.geeksforgeeks.org/java
https://www.hackerrank.com/domains/java
ENJOY LEARNING 👍👍
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Q. The MongoDB instance stores its _________ files in /var/lib/mongo by default.
Q. The MongoDB instance stores its _________ files in /var/lib/mongo by default.
Anonymous Quiz
17%
a) log
46%
b) data
19%
c) replica
19%
d) all of the mentioned
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Q) The MongoDB process listens on port _________ by default.
Q) The MongoDB process listens on port _________ by default.
Anonymous Quiz
17%
A) 27017
50%
B) 27170
26%
C) 27107
6%
D) 26017
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Q) Which of the following file is a MongoDB configuration file?
Q) Which of the following file is a MongoDB configuration file?
Anonymous Quiz
29%
a) mongodb.conf
35%
b) mongod.conf
28%
c) mongodb.con
8%
d) none of the mentioned
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Q) User account running mongod has _______ permissions for the directory.
Q) User account running mongod has _______ permissions for the directory.
Anonymous Quiz
19%
a) write only
38%
b) read only
38%
c) read and write
5%
d) none of the mentioned
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1. Which statement/statements are correct in regards to Lambda expressions
1. Which statement/statements are correct in regards to Lambda expressions
Anonymous Poll
36%
A. Allow us to process code as data
40%
B. Can be used in a return statement
40%
C. Can be used as a method argument
19%
D. Can be used in a throw statement
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Q. A Lambda expression returns
Q. A Lambda expression returns
Anonymous Quiz
22%
A. Object
28%
B. Nothing
40%
C. Function
11%
D. Reference
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Q. Which of the Stream API operations can be performed in parallel?
Q. Which of the Stream API operations can be performed in parallel?
Anonymous Quiz
13%
A. Skip
21%
B. Sorted
30%
C. Filter
23%
D. Distinct
8%
E. Reduce
4%
F. Min
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Q. What is not true about functional interface in Java?
Q. What is not true about functional interface in Java?
Anonymous Quiz
24%
A. They contains only one abstract method.
44%
B. They exhibit only one functionality.
33%
C. Runnable and Callable are not examples of functional interface.
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Q:- Which of the following is not introduced with Java 8?
Q:- Which of the following is not introduced with Java 8?
Anonymous Quiz
21%
a) Stream API
33%
b) Serialization
25%
c) Spliterator
21%
d) Lambda Expression