Q&A Discussions

Could we set the "Telephone" column as the primary key of this table, as long as it has unique values?
primarykeysql
0 Votes
3 Answers
24th Jan 2017, 3:36 PM
Muhammad Eloqda
Muhammad Eloqda - avatar
Generate uniqe UID and store to mysql's table
mysqlpdophpprimarykey
1 Vote
3 Answers
10th Mar 2019, 10:06 AM
Hamidreza Abolfathi
Hamidreza Abolfathi - avatar
Transactional replication
primarykeyrdbmsreplicationtransactionalreplication
2 Votes
1 Answer
27th Jul 2019, 1:27 AM
Sanjay Kamath
Sanjay Kamath - avatar
Composite primary key
compositeprimarydatabasekeyprimarykey
1 Vote
1 Answer
30th Jul 2019, 1:56 AM
Sanjay Kamath
Sanjay Kamath - avatar
Is anybody know how to genarate the next primary-key number automatically, stored in a data-base on my c# application.????
autogenaratec#databaseprimarykeytables
5 Votes
2 Answers
8th Jul 2017, 8:37 AM
Madusha Gunawardana
Madusha Gunawardana - avatar
What can be an example of a primary key in database?
databasehelphtmlitprimarykey
1 Vote
2 Answers
19th Sep 2020, 12:53 PM
ND BARMAN
ND BARMAN - avatar
Как удалить данные одной ячейки, если она принадлежит к столбцу, который является первичным ключём?
deletemssqlprimarykeysqlupdate
0 Votes
1 Answer
12th Jan 2020, 5:29 PM
Иванов Арсений Андреевич
Иванов Арсений Андреевич - avatar
What is the difference between primary and foreign key?
differencekeysmysqlprimarykeyquerysql
1 Vote
6 Answers
16th Jun 2017, 12:58 PM
Dani Manalang
Dani Manalang - avatar
How to insert data in a foreign key
crudcssforeignkeyhtmlmysqlnullphpprimarykeywebappxampp
0 Votes
1 Answer
5th May 2021, 8:42 AM
thatstupidcoder
thatstupidcoder - avatar
PHP code.. To get user_ID from one table to another, and insert automatically into to that other table (after do the PK FK)
foreignkeyjointablemysqlphpprimarykeyuserid
0 Votes
3 Answers
2nd Nov 2019, 10:18 AM
syasha izrina
syasha izrina - avatar
Foreign Key not visible in the PHP tables
crudcssforeignkeyhtdocshtmlmysqlphpprimarykeywebappxampp
0 Votes
1 Answer
5th May 2021, 8:31 AM
thatstupidcoder
thatstupidcoder - avatar
Hot today
How can a recursive function works perfectly in a for loop with large numbers while calling it too many times raises an error?
3 Votes
How to allow one instance of exe
1 Votes
Reverse observer pattern : remove dynamic_cast
2 Votes
purchase of a subscription
1 Votes
seats = 100 (blank) seats > 0: print "sell ticket" (blank) = seats - 1
0 Votes
What has happened?
1 Votes
Theater management help me
2 Votes
What should I add/improve ?
1 Votes
Flight tracker coding foundation help me
1 Votes
Should You Specialize or Diversify in Programming?
1 Votes