normalization
normalize mat file in matlab
开发者_开发技巧I have a mat file with a structure that looks like this: How do I normalize the data and save it as a .dat file (ascii) I assume that you want to normalize each column.[详细]
2023-04-12 19:50 分类:问答MySQL Database Normalization and Primary ID's
I have a quick question.I have a database with three tables Shops, Tire_Brands, and Accepted_Tires and for accepted_tires it will just have \"id, tire_id, shop_id\".[详细]
2023-04-12 12:15 分类:问答Kettle: Multiple putRows() in processRow() correctly?
I\'m processing a /etc/group file from a system. I load it with CSV input step with the delimiter :. It has four fields: group,pwfield,gid,members. The members field is a comma separated list with acc[详细]
2023-04-12 04:08 分类:问答SQLite: Performance of Rows VS Columns
I have a database table where each row (movie) has a couple of numeric tags (movie categories). Currently I put all these tags in the same column as a string, and search for them using %LIKE%, which r[详细]
2023-04-12 02:43 分类:问答What is the correct mysql (relational) database design structure for
I have a table in my database called Resource. This has common information about a resource (a resource could be an article, a static web link, a YouTube video, or any number of other types).[详细]
2023-04-10 06:55 分类:问答Normalizing MySQL table with records of another table
i have 2 tables. The city tables is not normalized because the country information is in plain text. I have added the id_country to the \'city\' table (that column is empty).[详细]
2023-04-09 20:34 分类:问答Interesting tree/hierarchical data structure problem
Colleges have different ways of organizing their departments.Some schools go School -> Term -> Department.Others have steps in between, with the longest being School -> Sub_Campus -> Progr[详细]
2023-04-07 19:27 分类:问答How do you normalize an ontology the way you would normalize a relational database?
I know how to normalize a relational database.There are methodologies for getting to a fif开发者_运维知识库th normal form.I understand the reasons why you may want to back off to fourth normal or othe[详细]
2023-04-07 15:08 分类:问答3NF Normal form
I have a question about 3NF normal form: Normalize, with respect to 3NF, the relational scheme E(A, B, C, D, E, F)[详细]
2023-04-07 00:12 分类:问答When to use comma-separated values in a DB Column?
OK, I know the technical answer is NEVER. BUT, there are times when it seems to make things SO much easier with less code and seemingly few downsides, so please here me out.[详细]
2023-04-06 14:43 分类:问答