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Recent questions tagged sql
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31
GO Classes 2023 | IIITH Mock Test 1 | Question: 18
Consider the following schema: ... have reserved a blue AND a white boat. The names of sailors who have reserved neither a blue nor a white boat. Empty set.
Consider the following schema:$$\begin{array} {l} \text{Sailors}(\; \underline{\textit{sid: } \textsf{integer}}, \textit{ sname: } \textsf{string}, \textit{ rating: } \te...
GO Classes
448
views
GO Classes
asked
Mar 26, 2023
Databases
goclasses2023-iiith-mock-1
goclasses
databases
sql
1-mark
+
–
9
votes
2
answers
32
GATE CSE 2023 | Question: 51
Consider the following table named $\text{Student}$ in a relational database. The primary key of this table is $\text{rollNum}.$ $\text{Student}$ ... . SELECT * FROM Student WHERE gender = 'F' AND marks > 65; The number of rows returned by the query is ___________.
Consider the following table named $\text{Student}$ in a relational database. The primary key of this table is $\text{rollNum}.$$\text{Student}$$\begin{array}{|c|l|c|c|}\...
admin
7.3k
views
admin
asked
Feb 15, 2023
Databases
gatecse-2023
databases
sql
numerical-answers
2-marks
easy
+
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0
votes
1
answer
33
Will not Exist(cc in T1 is not equal to T2) gives TRUE ? , can anyone explain this
abhinowKatore
443
views
abhinowKatore
asked
Jan 18, 2023
Databases
databases
sql
+
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1
votes
0
answers
34
SQL | Not Exist
abhinowKatore
275
views
abhinowKatore
asked
Jan 17, 2023
Databases
sql
databases
+
–
0
votes
1
answer
35
SQL Query
Write SQL command to find DepartmentID, EmployeeName from Employee table whose average salary is above 20000.
Write SQL command to find DepartmentID, EmployeeName from Employee table whose average salary is above 20000.
rayhanrjt
717
views
rayhanrjt
asked
Jan 6, 2023
Databases
sql
query
databases
+
–
1
votes
1
answer
36
DRDO CSE 2022 Paper 2 | Question: 14
A relational database contains two tables movie, and genre, in which movie table has columns movie_no, movie_name, and genre_id, while genre table has columns genre_id, and genre_name. Following insert statements were executed successfully to populate the ... How many rows and columns will be retrieved by the following SQL statement? Select * from movie, genre
A relational database contains two tables movie, and genre, in which movie table has columns movie_no, movie_name, and genre_id, while genre table has columns genre_id, a...
admin
358
views
admin
asked
Dec 15, 2022
Databases
drdocse-2022-paper2
databases
sql
5-marks
descriptive
+
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0
votes
2
answers
37
#gate cs applied course
Dknights
385
views
Dknights
asked
Dec 12, 2022
Databases
sql
databases
+
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0
votes
2
answers
38
#gate cs applied course
how both query result is the same, please give an example.
how both query result is the same, please give an example.
Dknights
343
views
Dknights
asked
Dec 12, 2022
Databases
sql
databases
+
–
0
votes
1
answer
39
DBMS EXAM Question
Write an SQL query For every company -- including companies with no divisions -- find, and output, the company and the number of divisions it has. In this question you may not use any embedded SFW's, nor may you use any embedding operators, ... <relational operator> SOME, or <relational operator> ANY. Additionally, you may use GROUP BY, but you may not use HAVING.
Write an SQL query “For every company including companies with no divisions find, and output, the companyand the number of divisions it has.” In this question you...
rkumar16
308
views
rkumar16
asked
Nov 16, 2022
Databases
databases
relations
sql
+
–
0
votes
0
answers
40
Best Open Video Playlist for SQL Topic | Databases
Please list out the best free available video playlist for SQL from Databases as an answer here (only one playlist per answer). We'll then select the best playlist and add to GO classroom video lists. You can add any video ... but standard ones are more likely to be selected as best. For the full list of selected videos please see here
Please list out the best free available video playlist for SQL from Databases as an answer here (only one playlist per answer). We'll then select the best playlist and ad...
makhdoom ghaya
301
views
makhdoom ghaya
asked
Aug 20, 2022
Study Resources
missing-videos
free-videos
go-classroom
video-links
sql
+
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0
votes
0
answers
41
ISI2020-PCB-CS: 5
In a conference, the relation, $\textsf{registered (participant, topic)}$ stores the names of participants and the topics registered by them. The primary key for this relation is $\textsf{(participant, topic)}.$ ... . Which strategy is faster for $x=3000?$ Justify your answer. Which strategy has less disk access time? Justify your answer.
In a conference, the relation, $\textsf{registered (participant, topic)}$ stores the names of participants and the topics registered by them. The primary key for this rel...
admin
123
views
admin
asked
Aug 8, 2022
Databases
isi2020-pcb-cs
descriptive
databases
sql
+
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