Modifying the keys in a PHP array before sending to JSON

I am querying a SQL database and returning some values. What I have is Field1 and Field2 which come out with a list of dates (There may be up to 200 values/dates eventually). I then reformat the …

Remove nulls from an array in SQL

Want to remove nulls from an array in hive/sql for example : array is [‘1’,null] after converting to string values it should be ‘1’ only. to split the array I am using below: concat_ws( “,”, …

mysql selecting multiple rows that match array of ids

First of all: SELECT `key`, `value` FROM settings WHERE `key` = :base_url OR `key` = :google_analytics OR `key` = :site_domain Is this correct way of selecting multiple rows? Or is there a …