Useful tips for everyday
How do I automate Docker deployment? How to automate Docker container deployment with Jenkins Set up the servers. Configure the file access. Copy the Docker…
How can I tell the difference between two docker images? There are no easy ways to perform a “diff” on Docker container images to see…
What is a data base name? The database name is the name of the database and the username is the name of the user that…
What is database integrity? In its broadest use, “data integrity” refers to the accuracy and consistency of data stored in a database, data warehouse, data…
How do I SELECT all users in PostgreSQL? Use \du or \du+ psql command to list all users in the current database server. Use the…
Is MySQL compatible with PostgreSQL? Both MySQL and PostgreSQL databases support stored procedures, but MySQL only supports standard SQL syntaxes, while PostgreSQL supports very advanced…
What is Reslen in MongoDB? responseLength (reslen): – The length in bytes of the operation’s result document. A large responseLength can affect performance. nscanned: –…
What is difference between datetime and TIMESTAMP in MySQL? TIMESTAMP is four bytes vs eight bytes for DATETIME . Timestamps are also lighter on the…
Does escaping prevent SQL injection? If you then escape all user supplied input using the proper escaping scheme for the database you are using, the…
How do I fix the OLE DB provider Microsoft ACE Oledb 12.0 has not been registered? 12.0 has not been registered“. The solution is to…