Useful tips for everyday
How to get the rank of a user in MySQL? For example, I have a users Name or Id and want to get his rank,…
How do I check my Mariadb character set? SHOW CHARACTER SET Syntax. SHOW CHARACTER SET [LIKE ‘pattern’ | WHERE expr] Description. The SHOW CHARACTER SET…
How many databases can you have in MongoDB? 2 Answers. There’s no explicit limit, but there are probably some implicit limits due to max number…
What does it mean to have inactive user account? Inactive accounts are user accounts that are not required anymore by members of your organization to…
Can we create non clustered index without clustered index SQL Server? We can have only one clustered index per table. A table without a clustered…
How are hierarchical queries achieved in PostgreSQL? Hierarchical queries can be achieved using CTE recursive queries, PostgreSQL provides the WITH statement that allows to create…
How do I add a boolean column in SQL Server? 4 Answers When you alter a table to add column no need to mention column…
How to group columns by column in PostgreSQL? First, select the columns that you want to group e.g., column1 and column2, and column that you…
What is SQL Server VSS writer used for? The SQL Writer Service provides added functionality for backup and restore of SQL Server through the Volume…
What is Max WAL size? Maximum size to let the WAL grow during automatic checkpoints. This is a soft limit; WAL size can exceed max_wal_size…