integrity
Prevent two users from editing the same data
I have seen a feature in different web applications including Wordpress (not sure?) that warns a user if he/she opens an article/post/page/whatever from the database, while someone else is editing the[详细]
2022-12-29 19:38 分类:问答Avoiding problem of overwriting files which are in use
For example on a high traffic web server. To reduce problems when switching a file I usually rename the old file out and then rename in the new file.[详细]
2022-12-26 00:33 分类:问答Data integrity in concurrency environment
We know that DBMS harness many technique to ensure the data integrity and satisfying the ACID properties when there are many transactions running simultane开发者_C百科ously in a concurrency environmen[详细]
2022-12-22 10:02 分类:问答Hacking DropDownList value
I\'ve got a DropDownList and I\'m trying to prevent it from being used as an attack vector. Can I assume that the user is unable to actually change the values of the DDL and postback to the server? At[详细]
2022-12-21 17:01 分类:问答How to check modality/cardinality on a relationship in Oracle
开发者_开发技巧I am attempting to reverse engineer a Database that is in Oracle. I have been able to find the main keys and the referential integrity rules that correspond to the Foreign Keys but cann[详细]
2022-12-20 06:28 分类:问答MVC Entity Framework state behavior with multiple instances of an entityset
I\'m trying to understand the relationship between entityset instances of an EF Entities model (the model was created by Entity Designer).Basically I end up with 1 logical transaction having 2 instanc[详细]
2022-12-15 07:00 分类:问答Integrity and Authenticity
Sorry to keep asking so many questions, but you guys always seem to be so nice and helpful... I need to do some application t开发者_JAVA技巧hat imports data from a file. For instance, user selects on[详细]
2022-12-14 20:50 分类:问答