The queries that i create frequently have 7-8 j开发者_运维技巧oins to retrieve data. Are these many joins normal in a real database application or is my database design poor? I am curious because if o
What is the advantage in 开发者_如何学Gostoring data as an object instead of storing them in separate table columns
I\'ve been looking into a lot of database\'s recently, and am not sure if it\'s because I\'m bored or what, but I want to create a few web applications using database\'s other than MS SQL Server. Any
I am new to PostgreSQL, mainly used MySQL before and SQLServer(for Clients Pressure; donno much), I\'ve gone through several OODBMS Introductories over some Google Search. Most of them mainly focuses
Is there any way to use voltDB in a PHP application? It definitely seems like it have a few advantages over other Databa开发者_Python百科ses out there!Absolutely.
I am making a function (PHP). In this function it basically uses the dbms specified and connects, submits the appropriate query, <insert my problem here>, and disconnects. DBMSs include MySQL, M
I have a database (running on postgres, precisely) , with the following structure : user1 (schema) - cars (table)
I want to write some queries which can work in almost all the databases without any SQLExceptions. So, where c开发者_开发知识库an I get the ANSI standards to write the queries ?Not sure that\'ll help
The definition of schema is logical struc开发者_开发百科ture of data in database. It is owned by a user and has the same name as the database user. The schema contains name of table, what is it\'s col
CREATE TABLE jokecategory ( jokeid INT NOT NULL, categoryid INT NOT NULL, PRIMARY开发者_C百科 KEY (jokeid, categoryid)