In other words, you can have a FK with two columns referencing a primary key or uniqueness constraint on another table—as long as the referenced table's key also has two columns, and provided the data types match up. The actual column names don't need to match, as long as you ...
DTS_E_BITASK_NO_CONNECTION_MANAGER_SPECIFIED 欄位 DTS_E_BITASK_NULL_CONNECTION 欄位 DTS_E_BITASKUNMANCONNECTION_CANNOT_OPEN_FILE 欄位 DTS_E_BITASKUNMANCONNECTION_CANNOT_RETRIEVE_COLUMN_INFO 欄位 DTS_E_BITASKUNMANCONNECTION_CANNOT_RETRIEVE_TABLES 欄位 DTS_E_BITASKUNMANCONNECTION_ERROR_IN_DB_...
set @max-2 = (select MAX(somekey) from @t) WHILE @cnt < @max-2 BEGIN -- DO multi step process here set @cnt = @cnt + 1 END All I want to know is, what is the darn difference between a column set as an identity column in a table variable if it has it set as a primary...
I have previous experience where Primary Keys on a column for table variables can be beneficial. This was used for counting orders activated/assigned/created/completed/cancelled between time intervals. Brief Summary: I had used a "Tally" or "Numbers" table variable.(from a SQL CookBook)I also...