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How do I query using fields inside the new PostgreSQL JSON datatype?
...looking for some docs and/or examples for the new JSON functions in PostgreSQL 9.2.
3 Answers
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What are important languages to learn to understand different approaches and concepts? [closed]
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I'm amazed that after 6 months and hundreds of votes, noone has mentioned SQL ...
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answered May 11 '11 at 19:21
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How to rename items in values() in Django?
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This basically does SELECT cryptic_value_name AS renamed_value in the SQL.
Another option, if you always want the renamed version but the db has the cryptic name, is to name your field with the new name but use db_column to refer to the original name in the db.
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Google Maps: how to get country, state/province/region, city given a lat/long value?
... Or you can use spatial datatype like geography if you are suing MS Sql 2008 and need to find location near a point
– GibboK
Jun 20 '12 at 4:35
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Understanding MongoDB BSON Document size limit
...to store images, files, videos, etc in the database much as you might in a SQL database. I have used this to even store multi gigabyte video files.
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What are the performance characteristics of sqlite with very large database files? [closed]
I know that sqlite doesn't perform well with extremely large database files even when they are supported (there used to be a comment on the sqlite website stating that if you need file sizes above 1GB you may want to consider using an enterprise rdbms. Can't find it anymore, might be related to an o...
Difference between Hashing a Password and Encrypting it
... @Luc I disagree with you, my previous self. I've seen too many SQL-injections that did not compromise the application code (or configuration files) and I am now of the opinion that adding a secret is helpful, be it in the form of encryption or in the form of a pepper, but it must not rep...
What are major differences between C# and Java?
...ters, aiding in the return of multiple values, a feature shared by C++ and SQL.
• C# has the ability to alias namespaces.
• C# has "Explicit Member Implementation" which allows a class to specifically implement methods of an interface, separate from its own class methods. This allows it al...
How to compare dates in Java? [duplicate]
...er compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes. Hibernate 5 & JPA 2.2 support java.time.
Where to obtain the java.time classes?
Java SE 8, Java SE 9, Java SE 10, Java SE 11, and later - Part of the standard Java API with a bundled implementation.
Java...
MySQL error: key specification without a key length
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The error happens because MySQL can index only the first N chars of a BLOB or TEXT column. So The error mainly happens when there is a field/column type of TEXT or BLOB or those belong to TEXT or BLOB types such as TINYBLOB, MEDIUMBLOB, LONGBLOB, TINYTE...