I\'m making a system with some features of a social network. And I want to know what your thoughts on the persistence technologies that best apply to certain features.
Today I reviewed postgreSQL wiki and I found it is a ORDBMS (object-relational database management system), so I want to know is there any benefits for using postgreSql (RDBMS) behind the JPA (hiberna
I need to convert an XML to a MySQL DB Schema. I have been able to generate the XSD from the XML. Now i want to use the XSD to generate the DB schema in MySQL or PostgreSQL. Ca开发者_运维技巧n anyone
We store billions of rows in an i开发者_StackOverflow中文版nfobright table which currently has about 45 columns.We want to add 50 more columns to it.Will adding these columns bring down the performanc
I\'m using PHP to develop web applications. I\'ve used MySQL as my RDMS. For many things an RDMS works, and many problems can be solved by normalization, among other things. But some situations just d
I\'d like to hear your suggestions on this very basic question: Imagine these three tables: --DROP TABLE a_to_b;
There are many services with REST interface. However they use REST rather than allow开发者_JAVA技巧 operate with database. Why no love to RDBMS? Is this insecure or something?Now I understand your que
I have a dataset of around 开发者_开发知识库150 million records that\'s generated daily it contains:
I plan to make an web application using XPages for the design (plus the Lotus Notes Elements), but instead of storing the data in Lotus Notes, I will store the data i开发者_JAVA百科n a RDBMS (specific
Say I\'m using MySQL and I have a column id which is my primary key in some table. In PHP I generate a random string/integer and store that as the id in my database. I then refer开发者_开发技巧ence th