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Where does PostgreSQL store the database?
Where are the files for a PostgreSQL database stored?
13 Answers
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Two-way encryption: I need to store passwords that can be retrieved
... keys can be compromised without the data being compromised. If there's a SQL Injection attack, they can get the $userKey, but not the other 2. If there's a local server exploit, they can get $userKey and $serverKey, but not the third $userSuppliedKey. If they go beat the user with a wrench, they...
How to check if an appSettings key exists?
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We have a SQL-like IsNull function in our library which makes retrieving a setting very handy: Dim configValue As String = Util.IsNull(ConfigurationManager.AppSettings.Get("SettingName"), String.Empty)
– Eirik H
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开源MQTT网关：EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区，为创新赋能！
...持与多种数据存储方式集成，包括内置数据库、文件、MySQL、PostgreSQL、MongoDB 和 Redis。此外，EMQX 为用户提供了黑名单功能，用户可以通过 Dashboard 和 HTTP API 将指定客户端加入黑名单以拒绝该客户端访问，除了客户端标识符以外...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...据同步的时间，提高同步的效率。
需要对源数据比如mysql进行切分，多线程并发读源数据，多线程并发批量写入分布式数据库比如HBase,利用channel作为读写之间的缓冲，实现更好的解耦，channel可以基于文件存储或者内存。参见下...
How to get a list of user accounts using the command line in MySQL?
I'm using the MySQL command line utility and can navigate through a database. Now I need to see a list of user accounts. How can I do this?
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Removing index column in pandas when reading a csv
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Using df.to_sql("table",cursor,if_exists="append",index=False) also fixes the sqlite error sqlite3.OperationalError: table message has no column named index
– Anna
Jun 3 '18 at 0:55
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How to do INSERT into a table records extracted from another table
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Remove VALUES from your SQL.
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How to create an array for JSON using PHP?
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I have this code while($row=mysql_fetch_assoc($query_insert)) { $control=array('regione'=>$row["regione"],'totale'=>$row["prezzi"]); } print (json_encode(%control)); but retun {"regione":"Puglia","totale":"5.15"} not [{..},{..}]
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Best way to check for nullable bool in a condition expression (if …)
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IsTrue() | IsNull().. :) I reproduced logic how SQL works with nulls. I think it is the most clean and understandable syntax.
– Andrey Frolov
Apr 20 '10 at 9:51
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