Refer this! I was creating a database and got this error i tried to uninstall and then reinstall postgresql-16 and pgadmin4 but it didn't work for me! It creates a database but gives this error i am worried that what…
I am attempting to address these duplicates without removing the second entry. I am seeking a solution where duplicate records of an identifier would be assigned the maximum identifier value for the account_id. select account_id, identifier, count(*) from books group…
I'm querying Vertica using node-vertica npm packge (Node server), I noticed that every time the ROUND expression is 0/null, I'm getting the error - ERROR: Schema "pg_catalog" does not exist. EDIT: For example: SELECT name, email, ROUND(SUM(grade)/nullifzero(count(grade))) as avrage ---->…
I have a table called event which has id (uuidv4), name, description, created_at and updated_at columns. I am trying to understand "keyset pagination". This is what I understand right now: Base query (first page): SELECT * FROM event ORDER BY…
I'm using sqlx 0.7.3 and time 0.3.34. I have this struct: #[derive(Debug, sqlx::FromRow)] pub struct Game { pub id: String, pub created_at: time::OffsetDateTime, pub date_time: time::OffsetDateTime, pub score: i64, // and many other fields } I can read with queries…
I always come across these kinds of SQL problems and find it confusing what to do. For example, suppose there is a table of : names, year, food. `CREATE TABLE t ( id SERIAL PRIMARY KEY, name VARCHAR(50), food VARCHAR(50)…
I am working with the following yaml and postgres_password_file, but it is not working. I have checked that the file inside container is correct and user/permissions of the file are correct. Postgres is creating postgres user but I cant find…
I'm trying to create a user in a PostgreSQL database only if it does not exist using the following: SELECT 'CREATE USER konguser WITH ENCRYPTED PASSWORD kongpassword' WHERE NOT EXISTS (SELECT FROM pg_user WHERE usename = 'kongdb')gexec ERROR: syntax error…
I tried to declare the local variable value with RECORD[] type in a DO statement as shown below: DO $$ DECLARE value RECORD[]; BEGIN END $$; But, I got the error below: ERROR: variable "value" has pseudo-type record[] I referred…
I need to create an INSERT INTO ... WHERE NOT EXISTS ... SQL query that works on both Postgres and Oracle. Unfortunately, since oracle does not support SELECT statements without FROM I'm struggling to get this query to work. I…