I’m trying to update the latest record where name is John (John has multiple records but different ID) but I seem to be in a bind. What’s wrong with my query? UPDATE messages_tbl SET is_unread=1 …
Tag: sql-update
How to update a table if values of the attributes are contained within another table?
I’ve got a database like this one: I’m trying to create a query that would enable me to update the value of the status attribute inside the incident table whenever the values of all of these three attributes: tabor_vatrogasci, tabor_policija, and tabor_hitna are contained inside the izvještaj_tabora table as a value of the oznaka_tabora attribute. If, for example, the values
How to delete a particular label from ltree in Postgres table?
How to delete a particular label from ltree in Postgres table? I have a table? Test table: I want to pass a userid to a query, to remove it from every path in the table. For example, if I pass 101, then 123.101.103 should update as 123.103. Is it possible to do this directly? Or shall I update path using
Update one table based upon SUM(values) in another table on multiple criteria
I can’t seem to find out how to do this and not sure exactly how to search for it! I have a table [MASTER]: ID varchar(6) CCY varchar(3) Val1 decimal(20,5) Val2 decimal(20,5) FOO decimal(20,5) and …
UPDATE rows with values from the same table
I have a table like this: I want to copy the last 3 values and at the end my table will look like this: Is it possible? Answer Use a self-join: If there are gaps in the ID space, generate gapless IDs with the window function row_number(). I do that in a CTE, because I am going to reuse the
UPDATE syntax in SQLite
I need to know if I can do this in an UPDATE statement: Or similar syntax. I’m using SQLite. Note: Nobody understands me, I just want to know if it is possible to SET separate fields to separate values. That’s all. Answer There is a (standard SQL) syntax that is similar to what you propose but as far as I
sql update multiple rows with subselect
I am trying to copy the corresponding graduation_date values from the graduation_term table into the rows in the user_education_mba_school table that have the matching graduation_term_id. Here is my …
Cannot insert the value NULL into column
I’m having some problems. I am trying to get a table to update, however it is not updating because one of the fields contains rows with a NULL value. Heres the original query which gives no error: Now, the nextUpdate column might be NULL, so I am trying to accommodate for that with this query: You can see I’ve added
T-SQL: Using a CASE in an UPDATE statement to update certain columns depending on a condition
I am wondering if this is possible at all. I want to update column x if a condition is true, otherwise column y would be updated I have searched all over, tried out some things and am unable to find a solution. I think it’s not possible, but I thought I would ask here and see if anyone has done
MySQL Update Column +1?
I was wondering what would be the easiest way to update a column by +1? I will be updating a post count of a category based on when users submits a new post. Thanks.