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onedaywhen
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All Questions Answers
Score Newest
question
18
Meaning of 'SET' in error message 'Null value is eliminated by an aggregate or other SET operation'
Jan 19, 2012
question
18
Does any DBMS have a collation that is both case-sensitive and accent-insensitive?
Jul 18, 2016
answer
12
Does it make sense to use SQL Server's bracket notation in hand written code?
Nov 2, 2011
answer
12
Why aren't primary key / foreign key matches used for joins?
Mar 16, 2012
answer
11
Implementing a one to zero or one relationship in SQL
Dec 15, 2011
answer
11
Pattern matching with LIKE, SIMILAR TO or regular expressions in PostgreSQL
Jan 16, 2012
answer
6
What is the difference between an INNER JOIN and an OUTER JOIN ?
Oct 28, 2011
answer
6
What computations can NOT be performed in standard SQL?
Feb 6, 2012
answer
6
How to implement a 'default' flag that can only be set on a single row
Oct 19, 2011
answer
6
ERD directly producing 5NF relational schema - is this desirable?
Oct 20, 2011
Top Meta posts
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'database-agnostic' tag should be 'dbms-agnostic'
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851
How do I UPDATE from a SELECT in SQL Server?
202
Foreign key constraint may cause cycles or multiple cascade paths?
155
How do I check if a column is empty or null in MySQL?
149
How to check for Is not Null And Is not Empty string in SQL server?
125
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