Q&amp;A Discussions

1 Vote

What is the primary difference between CSS with other programs.

8th Feb 2018, 3:43 AM

Shivam Jaiswal

beta html jpeg notepad

0 Votes

5 Answers

17th Oct 2019, 9:00 PM

Kevin Morgan

Why mentioning NOT NULL while applying PRIMARY KEY constraint?

tables

1 Vote

What is primary key and forein key in sql????

23rd Jun 2019, 3:45 PM

Yasser AKBBACH

join sql

2 Votes

Why do I get 'expected primary expression' error on if statement?

29th Jan 2018, 5:03 AM

jaslin

3 Votes

Do you really have to use a primary key?

8th Sep 2018, 3:43 PM

jacksonofgames 28

1 Vote

What is the difference between primary key and super key?

3rd Jul 2016, 8:10 PM

Philipp Thalhammer

differences keys sql

0 Votes

5 Answers

28th Nov 2016, 12:39 PM

shilpa

What does "expected primary expression before <" mean?

0 Votes

can anyone tell me use of primary key function..?

2nd Sep 2016, 3:45 PM

Indie Geek

2 Votes

There is possible more than one primary key in table

16th Aug 2016, 3:02 PM

Aakash Sharma

2 Votes

[Closed] Calculate Column value from other table without Primary Key/Unique

20th Nov 2016, 8:34 AM

MEHTA MESHWA

1 Vote

Why do we need a primary key? For programming IN SQL , Is it possible to have more than one primary key or cannot be any key

3rd Jan 2020, 11:42 AM

Sebastian Thomas

database

0 Votes

7 Answers

26th Feb 2020, 6:03 PM

HARSHVARDHAN NITNAWARE

What is the difference between UNIQUE and PRIMARY KEY?

sql tables

1 Vote

Why is Python the primary language in machine learning?

27th Sep 2015, 7:54 AM

Lina

discuss language learning machine programming python

0 Votes

What is the primary difference between C and C++

13th Jun 2018, 11:12 PM

Aletay

c c++

1 Vote

How one can delete Primary key, Foreign key in SQL

5th Jul 2017, 12:46 PM

Vishnu Vardhan Mamidi

delete foreign primary

2 Votes

Whatever your primary programming language or stack, why did you choose it?

8th Dec 2021, 5:57 PM

Rupesh Deokar

.net c#coding development language preference programming python ruby stack

8 Votes

5 Answers

11th Aug 2017, 3:41 AM

Shane Overby

Where is the primary key in query is actually used?

key primary

0 Votes

Which language will be best for learning programming at primary label.

16th Apr 2018, 6:13 PM

av phani

helping

0 Votes

What is the difference between primary key and alternate key?

29th Apr 2018, 3:06 AM

Md Rana Sarkar

alternate key sql

0 Votes

How to make primary key auto increment using query

17th Mar 2017, 4:19 PM

Mohammad Atif Niaz

create insert sql tables

0 Votes

How to define data type of primary key in sql?

15th Oct 2016, 4:37 PM

Hiral

mysql sql

0 Votes

primary phone book code stores in file but fails

5th Apr 2020, 7:30 AM

Aditi Mishra

c c++classes linkedlist

1 Vote

Which proggraming language should be our primary and why ?

21st Sep 2017, 11:19 AM

learnlearnlearn

code self-learning

3 Votes

what is the use primary key in dbms ?

12th Jan 2018, 4:04 PM

Filip Kovacevic

dbms rdbms sql

1 Vote

What is the diffrence between unique and primary key constraints?

13th Sep 2016, 6:57 PM

Sandeep Singh

0 Votes

What can be an example of a primary key in database?

19th Jan 2016, 2:10 PM

Aakash Bidlan

database help html it primarykey

1 Vote

What is difference between primary key and alternate key and candidate key??

19th Sep 2020, 12:53 PM

ND BARMAN

basics sql

0 Votes

In SQL, is it a must I indicate a primary key? Can't my first column which has int as datatype be the primary key by default?

8th Feb 2017, 6:16 PM

Joshi Chand

keys sql tables

1 Vote

Why we have to use when define a primary key with not null. Because I know that primary also includes uniquness of the column

27th Mar 2019, 5:20 PM

Babatunde Akinola

constraints

0 Votes

How to set two primary keys in one table in oracle?

4th Jul 2020, 4:35 PM

AYŞE DUMAN

key oracle primary

0 Votes

What is a the difference between primary key and unique key

18th Sep 2017, 10:02 AM

Bhumika

1 Vote

To remove primary key in sql what is correct statement??

18th Jun 2017, 6:52 AM

Vhonani Makhado

mysql

0 Votes

What are the primary requirements to become a good programmer?

26th Aug 2018, 1:58 PM

Shaan Agarwal

c#cpp functions games goals html5 java javascript programmer success

1 Vote

What are the differences ( primary & secondary ) between ECMAscript, JavaScript & jScript and why is it important as developers

25th Sep 2017, 6:53 AM

vishal thakral

difference ecmascript javascript jscript

23 Votes

21 Answers

7th Jun 2019, 4:54 PM

BroFar

Making two columns primary keys (composite key) when creating a table in sql server

sql sqlsever t-sql

1 Vote

What are the primary differences between HTML 5 and other versions of HTML?

28th Aug 2020, 11:33 AM

esther iyege

html5 web

2 Votes

Can we do explicit conversion to primary type with user-defined data type??

10th Jun 2018, 8:28 PM

Syntax

1 Vote

What's the difference between (NOT NULL + UNIQUIE) and Primary key.?

20th Jun 2018, 5:52 AM

Suraj Manchala

database dbms mysql oracle sql

0 Votes

How do I set primary keys and foreign keys in a table?

1st Dec 2018, 12:16 AM

Kishor Jena

0 Votes

When creating a table why we use PRIMARY KEY. what is the reault

3rd Sep 2016, 8:28 PM

Mokgaetji Prudence Manyama

1 Vote

why can't we have more than one Primary key tags ?

5th May 2019, 9:45 AM

Ajay Sharma

0 Votes

Can two tables be joined without having the foreign key- primary key link

20th Aug 2016, 8:09 AM

Antariksh Verma

join sql

1 Vote

Can we use a string as primary key in a table?

5th Jul 2018, 7:57 PM

Zahraa

0 Votes

"Falling short of empty space on primary memory" what does it means?

9th Aug 2016, 9:43 AM

Christy Tom J

1 Vote

Is the primary key only meant for rows or is it even for columns

29th Jan 2017, 2:36 PM

Arya DRJ

0 Votes

How do you use this app as a primary school student grade 3

1st Nov 2016, 5:00 PM

Karthik

begginer grade3

0 Votes

How can we find primary key column name from database table in SQL?

10th Mar 2019, 10:32 PM

Iswiz

database mysql primarykeysql sql sqlquery

1 Vote

C++ getting error that says expected primary expression before << token. But everything looks right

8th Jul 2020, 5:24 PM

Anupriya Rajasekaran

c++code::blocks error

0 Votes

how to remove the duplicate rows without the help of rowid and primary key.

29th Mar 2018, 6:26 AM

Jay

0 Votes