I have a 开发者_高级运维SQLite v3 database, using GUID\'s as row identifiers. Something strange is happening when I query the table on a mac, it returns strange ASCII code in the ID Column where the
I hear that the creator of the melissa worm was convicted based on the fact that the GUIDs generated could be linked back to a MAC Address of a computer he used.
I would like to create folders dynamically on a windows web server to store uploaded files from client machines. I am planning to use GUID values, created as part of the asp.net membership module, as
I need to communicate a Guid that was generated in .NET to a Java application. I use Guid.ToByteArray() to store it on disk as a byte[], then read it into Java and convert it to a UUID. For this purpo
I have a Firebird database which stores Uuid values in a char(16) field. In my C# program, I need to retrieve these values in order to use them in subsequent queries. But the values I get back from th
I am replacing some GUID column types, since I need to do some Group By work in MSSQL 2008. I was about to change the types to Char(36) since I know the exact size of the value, but after Googling a b
i got a table with half a million rows. the primary key is the guid column . I found the query select * from T wher开发者_运维问答e id =\'xxxx\' is very slow .
Related Related to my other question: Comment system design 开发者_开发百科Data Design Let\'s say I have a tags table:
When using the MongoDB shell, how do I use a guid datatype (which I have used as the _id in my collection)开发者_运维百科.
With .NET 4.0, I sometimes have a Guid[] or 200 items that all need conversion to string[], and sometimes I have to do the reverse.
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