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ADD ... THEN ... UNTIL ... data: begin of SERIES, N1 type I value 10, N2 type I value 20, N3 type I value 30, N4 type I value 40, ... Join related table and count rows or sum sql server 2005 count rows: SELECT * FROM Table1 LEFT JOIN     (SELECT Level1ID, COUNT(Level2ID) AS Total FROM Table2 GROUP BY Level1ID) AS... Remove file not in list
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Temporary Tables

Temporary Table

create table #temptable {
 id int,
 name nvarchar(50)
};
select * into #temptable from UserTable;
Features
  • Table name begin with '#'
  • Table will be automatically dropped when session closed
  • Manually drop table will be suggested
  • Temporary table will be stored at database 'tempdb'
  • Different session/user can create temporary table with same table name
  • Index supported

Table Variables

declare @temptable table{
 id int,
 name nvarchar(50)
};
Features
  • Table name begin with '@'
  • Table do not need drop
  • Table data only exist in memory
  • Can not create from select statement