I am looking for the most efficient way to update a table in the following way. If fie开发者_Python百科ld A has a value in it and the contents of field b are being removed (null)then just update fiel
I am trying to figure out how I can delete multiple records using check boxes. I have a table on my page that gets the data from the database. The first column for each row has a check box that looks
I have a table with rows like id, lengt开发者_C百科h, time and some of them are duplicates, where length and time is the same in some rows. I want to delete all copies of the first row submitted.
Tried thus query with \"SELECT *\" instead of \"DELETE FROM\" and it worked perfectly. DELETE FROM`80dage_garmin_track` t1 WHERE EXISTS (
I need to delete many rows from sql server 2008 database, it must be scalable so I was thinking about bulk delete, the problem is that the are not many references on this, at least开发者_运维问答 in m
Here is the query I am using: SELECT k_id, COUNT(k_id) AS k_count FROM template_keyword_link WHERE k_id IN(1,2,3,4,5)
DELETE FROM Table1 WHERE ConditionID=?ConditionID; DELETE FROM Table2 WHERE ConditionID=?ConditionID; DELETE FROM Tabl开发者_高级运维e3 WHERE ConditionID=?ConditionID;
I am deleting a bunch of records from different tables that are linked with foreign keys. When I call \'SubmitChanges\' the following error is received:
How can I structure a mySQL query to delete a row based on the max value. I tried WHERE jobPosi开发者_如何学编程tonId = max(jobPostionId)
This is based on my previous question. I have the following table Table1 JobPositionId | JobPositionName
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