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Get query from java.sql.PreparedStatement [duplicate]
...To my experience, the ones which do so are at least the PostgreSQL 8.x and MySQL 5.x JDBC drivers. For the case your JDBC driver doesn't support it, your best bet is using a statement wrapper which logs all setXxx() methods and finally populates a SQL string on toString() based on the logged informa...
How to get the current time as datetime
...thing similar to let components = calendar.components(.NSCalendarUnit.Year.union(NSCalendarUnit.Minute), fromDate: date), the vertical slash cant be used here anymore.
– Hola Soy Edu Feliz Navidad
Jun 24 '15 at 19:09
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UTF-8 all the way through
...character set on all tables and text columns in your database. This makes MySQL physically store and retrieve values encoded natively in UTF-8. Note that MySQL will implicitly use utf8mb4 encoding if a utf8mb4_* collation is specified (without any explicit character set).
In older versions of MyS...
Sqlite or MySql? How to decide? [closed]
...buffer parts of your 1Tb database in your 32G of memory.
You need to use mysql or some other server-based RDBMS.
Note that MySQL is not the only choice and there are plenty of others which might be better for new applications (for example pgSQL).
Sqlite is a very, very nice piece of software, bu...
String concatenation in MySQL
I am using MySQL and MySQL Workbench 5.2 CE. When I try to concatenate 2 columns, last_name and first_name , it doesn't work :
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MySQL/Amazon RDS error: “you do not have SUPER privileges…”
I'm attempting to copy my mysql database from an Amazon EC2 to an RDS:
7 Answers
7
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Saving timestamp in mysql table using php
I have a field in a MySQL table which has a timestamp data type. I am saving data into that table. But when I pass the timestamp ( 1299762201428 ) to the record, it automatically saves the value 0000-00-00 00:00:00 into that table.
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How do I escape reserved words used as column names? MySQL/Create Table
...and one problem is a class may have a field name key which is a reserved MySQL keyword. How do I escape it in a create table statement? (Note: The other problem below is text must be a fixed size to be indexed/unique)
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What does mysql error 1025 (HY000): Error on rename of './foo' (errorno: 150) mean?
I tried this in mysql:
14 Answers
14
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如何建立一套适合自己的高胜算交易系统这个交易系统是非机械的,适合你自己个性的,有完善的交易思想、细致的市场分析和整体操作方案的,在风险市场的赢家都有自已的交易系统,因...这个交易系统是非机械的,适合你自...
