Q&A Discussions

1 Vote

Is it mandatory to use Autoincrement for a primary key each time?

28th Oct 2019, 6:30 AM

Monim

0 Votes

Delete duplicate rows with no primary key on a SQL Server table

24th Feb 2017, 6:15 AM

Ashutosh Sharma

0 Votes

Searching in database when primary key is encrypted(email -> AES-256-CBC -> AbC&Xyz==) need help...

15th Dec 2016, 6:45 AM

Akwin Lopez

#backend #cryptography #database #encryption #js #mysql #php #softwareengneers/developers #sql #web

0 Votes

What is the main class finally? :/

30th Nov 2022, 7:51 AM

RTB

class main primary

0 Votes

how can i use primary key to collect all related info from database?

9th Mar 2018, 6:55 PM

‎حسین حسینی‎

0 Votes

we have to declare Primary key in one particular column like id column???

23rd Jun 2016, 1:33 AM

Amirabdulla Nr

0 Votes

CREATE TABLE Users ( id int NOT NULL AUTO_INCREMENT, username varchar(40) NOT NULL, password varchar(10) NOT NULL, PRIMARY

14th Feb 2017, 4:14 AM

sugumar

Write the SQL query to display the constraints enforced by the Primary key on a table.

3 Votes

6 Answers

14th Jul 2017, 2:24 PM

Ramesh

mysql

2 Votes

School management application system to allow a primary school to manage students and classes.

6th Feb 2020, 12:27 PM

Aditee Prajapati

java

0 Votes

How to select a column referenced by a primary key from two databases in the same server?

21st Apr 2018, 10:57 AM

Tracy Smith

database join mysql sql

0 Votes

7 Answers

16th Jun 2017, 12:25 PM

Dani Manalang

we create multiple primary key in a table using query? i think that is working

We have to develop a website to identify meritorious students in primary education in given region (here Gujarat, India)

1 Vote

3 Answers

21st Sep 2016, 1:13 PM

montu

css html html5 javascript node.js php website

4 Votes

7 Answers

12th Mar 2018, 5:00 PM

Ankit Saxena

please what does rgb mean. I know it represents the primary colors but what are the ranges

border css

1 Vote

6 Answers

9th Jul 2016, 4:06 PM

Dan-Awoh Emmanuel

Anybody can tell me whats the primary qualification to earn by web design???

design web

-1 Vote

I need help with my code. When I tried running it they said I should input a primary statement before the return.

8th Sep 2017, 12:27 PM

Rupam Chandra Das

help

1 Vote

6 Answers

15th Jul 2021, 3:57 AM

Mem~phis🌺

Challeng number: the prime numbers are the numbers that can be divided by itself and number(1)only .2,3,5,7,11,13...

challenges number primary

1 Vote

what if we have table and we want to make any colomn primary key?

29th Jul 2017, 2:17 PM

Farhad Salih

0 Votes

I am new in coding .. suggest me first what is primary language C or python.

17th Dec 2016, 3:27 PM

Aqib Asmat

c html python suggestion

0 Votes

Mysql foriegn key/references

19th Sep 2019, 3:40 AM

Ashish Kumar

key mysql primary refereces

0 Votes

Is there an app/ website I can use to blend the primary colors in java?

30th Oct 2021, 4:32 AM

sid

java

0 Votes

Guys....help me. what is a primary key and foreign key and show me an example about it.... !!

18th Mar 2019, 12:33 PM

Kosine

0 Votes

Fill in the blanks to create a table with two columns: ''id'' as a primary key integer, and ''name'' of type varchar.

6th Dec 2016, 1:19 PM

Agustav Basis

-4 Votes

what is the difference between foreign key and primary key?? what is the Syntex to define these two??

21st Oct 2019, 1:08 AM

Althaaf Ridha Muhammad Zaydaan Batubara

Fill in the blanks to create a table with three columns: ''id'' as a primary key, username and password of type varchar. test (

1 Vote

3 Answers

5th Sep 2016, 4:09 PM

Dheeraj Kumar Adya

Should I make sololearn my primary source of knowledge regarding a language or should I rely on video tutorials or books

-5 Votes

9 Answers

21st Oct 2016, 12:18 PM

nikita borase

beginner coding knowledge language programming

1 Vote

5 Answers

14th Aug 2017, 7:51 AM

Swagat Parija

I wanna be hacker and im serious about it what language i should learn i mean primary language

question

0 Votes

Write a complete C program to calculate and print the summation of the elements of a primary diagonal of an integer square 5x5 a

8th Jan 2018, 1:36 AM

Muhammad Fakhrurrazi

@hashamalnasre

0 Votes

Could we set the "Telephone" column as the primary key of this table, as long as it has unique values?

17th Jun 2021, 6:35 PM

HASHEM AL_NASRE

primarykey sql

0 Votes

3 Answers

24th Jan 2017, 3:36 PM

Muhammad Eloqda

I'm having a primary expression error on my code, everything in the code looks fine but it still isn't working, please help 😩😩

c++codecoach error

1 Vote

Help! People out there. How can I use python to automate or animate primary school subject with pupils center teaching method.

12th Apr 2020, 7:59 PM

Bernard

and animation AUTOMATION concept easy for learning of teaching

1 Vote

I have a table in SQL that contains 2 primary keys of other tables how can i write its script on sql command line

23rd Sep 2017, 2:31 PM

Daniel A. A.

code mysql sql

0 Votes

Hello every one, i have an issue in the returned value of exectuteUpdate in java, first "UserName" is a primary key in sql tabl

29th Mar 2020, 5:42 PM

safae safa

3 Votes

When adding css, should you do it in your primary html file, or a separate one and link it to the primary?

7th May 2017, 11:05 PM

HaMza BouRouissa

css html website

0 Votes

Hi, i code a primary database and after runing it's showing error in it. And I can't able to find what is the error. Please help

1st Feb 2018, 12:35 PM

marley hobbs

0 Votes

Doesn't SoloLearn Motivate Coding A Lot?? Is It Fit To Be Suggested As A Primary Step Of Learning To Code? Or is it YouTube??

4th Jul 2021, 2:53 AM

Aman Singh

coding progress sololearn youtube

0 Votes

TABLE enrollments -- id INTEGER NOT NULL PRIMARY KEY -- year INTEGER NOT NULL -- studentId INTEGER NOT NULL -- -- Write a

12th May 2018, 4:58 PM

Wasim Mahmud Surjo

0 Votes

is it necessary to specify not null on a column you are defining as the primary key? Seems like that was included in the definition of pk

19th Jan 2021, 9:53 AM

mostafa waleed

0 Votes