The information I need to store has the following format category, command, options, description options depend on commands and can have many different values.
I am trying to build a site which is a bit similar to this site. Basically i have established four tables:
if i have a relation like that: 1 - 0..1, it is considered a one-to-many? the only options that i have i开发者_运维知识库n mysql workbench are:
This is a somewhat unusual question... Is there such a thing as too big of an allocation for data and log files for SQL Server?
I inherited an ASP.net web application that displays data from a SQL database using the ASP.net GridView control.
I am interested in best practices for designing relational DB tables for holding spatio-temporal data. Specifically data that will be kept in such tables are custom geometries that have certain validi
I\'m implementing a Java EE project, and in my a part of my class diagram i have a association class which link two classes samples( in french Echantillon) and analysis( in french AnalyseElementaire)(
I\'m not really trying to compress a database. This is more of a logical problem. Is there any algorithm that will take a data table with lots of columns and repeated data and find a way to organize i
What is meant by the lossless join property in a relation schema? Is it the ability to maintain the semantics of information/data during the decomposition 开发者_JS百科of relations whilst normalising?
Here is an example which should clear things up for the last post. hireDate & carReg are the primary keys. Are there extra functional dependencies (FDs) other than the ones I have identified
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