Q&A Discussions

Constraint
sqltables
0 Votes
3 Answers
26th Jul 2016, 8:55 PM
Abdalrhman Shazally Abdalrhman Alhassan
Abdalrhman Shazally Abdalrhman Alhassan - avatar
Constraint ?
sql
1 Vote
4 Answers
12th Jan 2018, 8:25 PM
Rayen Jbahi
Rayen Jbahi - avatar
check constraint
sqltables
0 Votes
1 Answer
1st Apr 2017, 10:08 AM
Sanya
Check constraint sqlsever
sqlsqlsevert-sql
0 Votes
2 Answers
27th Aug 2020, 12:38 AM
esther iyege
esther iyege - avatar
CHECK constraint in SQL
mysqlsql
1 Vote
1 Answer
14th Aug 2018, 10:00 PM
harshit
harshit - avatar
Constraint Layout in Android studio
androidstudio
2 Votes
4 Answers
5th May 2017, 6:00 PM
Nantha
Nantha - avatar
Does a unique constraint allows a null value to be inserted once? Or the Check constraint
null
1 Vote
2 Answers
26th Jun 2019, 7:31 PM
mvtin
mvtin - avatar
Foreign Key Constraint with ON DELETE CASCADE ON UPDATE CASCADE
sql
2 Votes
6 Answers
22nd Sep 2018, 5:23 PM
Xavier Reyes
Xavier Reyes - avatar
How can i keep my variable smaller than required constraint
c++codechefsizevariable
1 Vote
4 Answers
30th Dec 2017, 2:15 PM
shobhit
shobhit - avatar
How to create a table with foreign key constraint
bimysql
0 Votes
1 Answer
13th Dec 2019, 6:08 PM
samridhi dwivedi
samridhi dwivedi - avatar
how to delete foreign key constraint from a column?
sql
0 Votes
1 Answer
29th Aug 2016, 4:13 PM
Rahul Mule
Rahul Mule - avatar
What's new in Constraint Layout and is it the best layout?
androidconstraintlayout
2 Votes
1 Answer
30th Jun 2018, 4:26 PM
Prince Raj
How many null values does a unique constraint accept in sql?
sql
0 Votes
2 Answers
28th Apr 2020, 4:42 AM
Konala Teja Sri
If we give any constraint for multipe columns and we want to drop constraint of specific column then what is the query for that?
constraintdatabasemysqlsql
0 Votes
1 Answer
4th Aug 2021, 5:05 AM
Harshanand Raykar
Harshanand Raykar - avatar
why this error happens?? Error: The INSERT statement conflicted with the FOREIGN KEY constraint "FK_Reviewtasks_Reviewers".
c#sql
1 Vote
9 Answers
18th Jul 2020, 2:58 AM
Beast
Beast - avatar
Error: SQLSTATE[23000]: Integrity constraint violation: 1452 Cannot add or update a child row:
mysqlphpmyadminsql
1 Vote
2 Answers
5th Mar 2025, 10:12 AM
Nini
Nini - avatar
When i add a background image in constraint layout in android studio...my animation gets slower...please help
androidappjava
4 Votes
6 Answers
3rd Jul 2017, 8:04 AM
BiswaViraj
BiswaViraj - avatar
Little help with SQL
constraintforeign-keysql
5 Votes
4 Answers
15th Mar 2022, 3:04 PM
Rishi
Rishi - avatar
'and this constraint create a unique index for accessing the table faster. ' meaning pls?
constraintssqltables
0 Votes
1 Answer
15th Aug 2017, 1:32 PM
Abhishek Choudhary
Abhishek Choudhary - avatar
How to Allow Only Alphabets in Column – Create Check Constraint to Insert Only Alphabets
sql
0 Votes
1 Answer
28th Mar 2017, 10:02 AM
Akwin Lopez
Akwin Lopez - avatar
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