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NoSQL (MongoDB) vs Lucene (or Solr) as your database
With the NoSQL movement growing based on document-based databases, I've looked at MongoDB lately. I have noticed a striking similarity with how to treat items as "Documents", just like Lucene does (and users of Solr).
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Mongoose and multiple database in single node.js project
...ple. Connect to the default db (just like if you were using something like SQL Server) and then take advantage of useDb to target your DML at the appropriate database. (Very helpful for keeping your users in one db and your data in another.) No need to start making multiple connections when ultimate...
How can I filter a Django query with a list of values?
...want to check the possible values from the list then you can't use =.
The sql query will be like SELECT * FROM mytable WHERE ids=[1, 3, 6, 7, 9] which is not true. You have to use in operator for this so you query will be like SELECT * FROM mytable WHERE ids in (1, 3, 6, 7, 9) for that Django provi...
Creating and Update Laravel Eloquent
... executing above example:
Illuminate\Database\QueryException with message 'SQLSTATE[HY000]: General error: 1364 Field '...' doesn't have a default value (SQL: insert into `...` (`...`,.., `updated_at`, `created_at`) values (...,.., xxxx-xx-xx xx:xx:xx, xxxx-xx-xx xx:xx:xx))'
As there would be some ...
MySQL IF NOT NULL, then display 1, else display 0
...OT NULL) AS addressexists
This works because TRUE is displayed as 1 in MySQL and FALSE as 0.
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How do I limit the number of rows returned by an Oracle query after ordering?
Is there a way to make an Oracle query behave like it contains a MySQL limit clause?
17 Answers
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PostgreSQL: insert from another table
...st-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f6898520%2fpostgresql-insert-from-another-table%23new-answer', 'question_page');
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C++ multiline string literal
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I was considering this for embedded SQL and Python scripts myself. I was hoping for your sake if maybe gcc would let it slide through in C++98 mode but, alas, no.
– emsr
Jul 18 '12 at 15:16
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prevent property from being serialized in web API
...t gives me a clean REST API. At the same time when I save the data in a no-sql, the ignored properties are persisted despite the objects being stored as json.
– FrankyHollywood
Mar 16 '18 at 9:45
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Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio
...ew_count]
This would not add a lot of overheads to your query.
(tested mssql 2008)
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