Question : I’ve got a table that has several columns, But I need to insert data into two columns of […]
DbaFix
Test if any columns are NULL
Question : I’m trying to figure out an easy query I can do to test if a large table has […]
Profiling a PostgreSQL function [duplicate]
Question : This question already has answers here: Postgres query plan of a function invocation written in plpgsql (2 answers) […]
Why is MySQL database data-files deployed under /var/lib/mysql?
Question : I was wondering why do we deploy data files under /var/lib/mysql/. Is there a logical reason for that, […]
postgres finding child tables for particular table
Question : I want to find all child tables corresponding to particular parent table. SELECT * FROM information_schema.table_constraints tc right […]
InnoDB row metadata size (minimum row size)
Question : I’m trying to decide whether to normalize a thing further, and need to know what the smallest a […]
Restoring SQL Server Database Command Line Error
Question : I have a restore database script in a SQL file, and I’m trying to restore a backup generated […]
Wrong sharding on mongoDB 3.0
Question : I have a mongos with 2 shard servers (and 3 config servers) sh.status() — Sharding Status — sharding […]
how can I join two very different table structures? No common keys
Question : For the purpose of good database design, I’ve never run into an issue like this, but we are […]
How to get next value of Sequence dynamically in Oracle
Question : I used to a SQL guy and trying my hands on Oracle front. I am getting dynamic values […]