data-migration

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What is the best approach to change primary keys in an existing Django app?

I have an application which is in BETA mode. The model o开发者_StackOverflow中文版f this app has some classes with an explicit primary_key. As a consequence Django use the fields and doesn\'t create a[详细]

2022-12-16 01:23 分类：问答
Can I use DataTables to import data from one database into another?

I need to create a quick and dirty solution to migrate data from database into another. This is only being used a proof of concept. Long term we will use .NET\'s Sync Framework.[详细]

2022-12-14 13:42 分类：问答
How do I migrate data from one model to another using South in Django?

I created a Django app that had its own internal voting system and a model called Vote to track it.I want to refactor the voting system into its own app so I can reuse it.However, the original app is[详细]

2022-12-13 20:42 分类：问答
submit data from one rails application to another

I have two rails applications. I would like to submit data from one application to another but I want it go through the controller logic as it\'s not just a DB dumb. I tried using directory HTTP call[详细]

2022-12-13 09:38 分类：问答
how to join two or more tables and result set having all distinct values

I have some 20 excel files containing data. all the tables have same columns like id name age location etc..... each file has distinct data but i don\'t know if data in one file is again repeated in a[详细]

2022-12-11 10:57 分类：问答
How to group by week in MySQL?

Oracle\'s table server offers a built-in function, TRUNC(timestamp,\'DY\'). This function converts any timestamp to midnight on the previous Sunday. What\'s the best way to do this 开发者_Go百科in MyS[详细]

2022-12-11 05:56 分类：问答
Can I use Git to move files between svn repos with the history?

I\'ve been using git-svn to work with svn repository A, and now I need to move the project over to repository B. I could just use svn to import the lastest HEAD from A. But I\'d like topreserve the hi[详细]

2022-12-11 02:04 分类：问答
Transfer MySQL to SQLite

I want to start using Core Date on iPhone with pre-existing MySQL databases. What\'s开发者_开发技巧 the easiest way to transfer a MySQL database to SQLite?[详细]

2022-12-10 21:32 分类：问答
generate database & tables schema (ddl) on Oracle pl-sql

Anyone have a PL-SQL statement that i can use to generate database &开发者_运维问答amp; tables schema for specific database on Oracle 10g? I need the schema in .sql file and if possible compatible wit[详细]

2022-12-09 18:02 分类：问答
What is the purpose of the Create directory used by Tarantino?

Tarantino requires that you point 开发者_运维百科it to a scripts directory that contains two subdirectories, create and update. When Tarantino\'s create or rebuild action is executed I expected sql sc[详细]

2022-12-08 21:38 分类：问答