I would like to reformat a MySql table for use in a network node mapping program. The original format is:
I have a MySQL database with these two tables: Tutor(tutorId, initials, lastName, email, phone, office)
I have a self referential category table as you see: I want to parse this table to find out tree level for each category. for example if root node level is 0 开发者_Python百科then CPU and Hard Drive
I have a problem in T-SQL that I find difficult to solve. I have a table with groups of records, grouped by key1 and key2. I order each group chronologically by date. For each record, I want to see i
There are two tables: table A and table B. They have the same columns and the data is practically identical. They both have auto-incremented IDs, the only difference between the two is that they have
As part of the process of replacing some old code that used an incredibly slow nested select, I\'ve ended up with a query that looks like this:
Is t开发者_如何学Gohere a way with subsonic to preform a self join?There used to be a discussion on subsonic about this, now dead. It basically said:
I have the following table: myTable: +----+----------+ id | parentID | +----+----开发者_开发问答------+
Based on the following table IDDateState ----------------------------- 106/10/2010Complete 106/04/2010Pending
Well as you may know, you cannot index a view with a self join. Well actually even two joins of the same table, even if it\'s not technically a self join. A couple of guys from microsoft came up with