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connecting to MySQL from the command line
How can you connect to MySQL from the command line in a Mac? (i.e. show me the code)
6 Answers
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Is there any performance gain in indexing a boolean field?
...an index, if you have too many records it doesn't use the index anyways.
MySQL not using index when checking = 1 , but using it with = 0
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How should I store GUID in MySQL tables?
...char 16 binary? not char? not binary? I dont see that type in any of the mysql gui tools, nor any documentation in mysql site. @BillyONeal
– nawfal
Jun 24 '12 at 19:41
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How do I get the MIN() of two fields in Postgres?
...essions evaluate to NULL.
Note that GREATEST and LEAST are not in the SQL standard, but are a common extension. Some other databases make them return NULL if any argument is NULL, rather than only when all are NULL...
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How to pull a random record using Django's ORM?
...le much better than the accepted answer, note that this approach makes two SQL queries. If the count changes in between, it might be possible to get an out of bounds error.
– Nelo Mitranim
Sep 12 '15 at 9:37
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MYSQL OR vs IN performance
...ce.
I ran a loop of 1000x the equivalent queries (for consistency, I used sql_no_cache):
IN: 2.34969592094s
OR: 5.83781504631s
Update:
(I don't have the source code for the original test, as it was 6 years ago, though it returns a result in the same range as this test)
In request for some sampl...
Capture Stored Procedure print output in .NET
Is it possible to capture print output from a T-SQL stored procedure in .NET?
3 Answers
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What is the difference between a database and a data warehouse?
...ontributes to the OLAP. I took the cue of Datamarts being OLTP from here - SQL Server OLTP Datamart.
– CᴴᴀZ
Jul 7 '17 at 7:43
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Pros and Cons of SQLite and Shared Preferences [closed]
What is the good mechanism to store information among SQLite database and Shared Preferences?
5 Answers
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How can I use 'Not Like' operator in MongoDB
I can use the SQL Like Operator using pymongo ,
2 Answers
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