Useful tips for everyday
How do I calculate the minimum date in Excel? Find earliest and latest dates with functions In a blank cell, enter the formula =MIN(A1:D7), and…
How to create spatial indexes in mysql table? For InnoDB and MyISAM tables, MySQL can create spatial indexes using syntax similar to that for creating…
How do I find the top CPU consuming queries in SQL Server? If you want to find the top ‘n’ queries that are currently in…
How to allow remote access to PostgreSQL database? In order to remotely access a PostgreSQL database, you must set the two main PostgreSQL configuration files:…
Do foreign keys improve performance MySQL? It is true that foreign keys will impact INSERT, UPDATE and DELETE statements because they are data checking, but…
What happens when auto increment reaches limit MySQL? What will happen if the MySQL AUTO_INCREMENT column reaches the upper limit of the data type? When…
How can I run MySQL without a password? To run MySQL commands without entering password on the terminal, you can store your user and password…
How do I find the total memory of a SQL Server server? SELECT [server memory] = physical_memory_in_bytes /1024.00/1024.00/1024.00 FROM sys. dm_os_sys_info; SELECT object_name, cntr_value FROM…
How do you handle categorical variables in R? Categorical Variables x: A vector of categorical data in R. Need to be a string or integer,…
What is Glorot uniform initialization? It draws samples from a uniform distribution within -limit, limit where limit is sqrt(6 / (fan_in + fan_out)) where fan_in…