Postgres query jsonb contains. What exactly is :: in postgres and when should it be used? I tried a bit of googling and searched the Postgres docs for :: but got no good results. Therefor in most cases, MySQL's "databases" would better be mapped to schemas in Postgres anyway. Per ALTER USER documentation: Caution must be exercised when specifying an unencrypted password with this command. What is the difference between ->> and -> in SQL? In this thread (Check if field exists in json type column postgresql), the answerer basically recommends using, json->'attribute' is Mar 21, 2013 · SELECT '{apple,cherry apple, avocado}'::text[]; It seems to be some sort of cast. 3 on Windows 7. I've searched everywhere, but have come up empty on the meaning of this operator (and likely others like it, eg: @<, etc). psql contains a command \password that can be used to change a role's password without exposing the . Authentication failed for user "postgres" for both console client and Pgadmin. Is this documented somewhere in the postgres docs? I'm even more curious to understand what the operator does on earth objects. I have typed user as "postgres" and password "postgres", Oct 17, 2010 · A MySQL "database" is in fact a schema. nnajt dcvtl xxuk jfoh qlhv ffbcu kvnv hisza yjgxajp hmpeh