Sometimes you may need to copy data from one table to another. Here is how to insert into table from another table in SQL Server.
Insert Into Table From Another Table in SQL Server
How to Create table in Redshift
How to Drop Table in Redshift
Sometimes you may need to delete table or remove table in Redshift. Here is how to drop table in Redshift.
How to Rename Table in Redshift
Sometimes you may need to change name of database table in Redshift. Here is how to rename table in Redshift.
How To Truncate Table in Redshift
How to Add column in Redshift
How to Use Key-Value Dictionary in Shell Script
Sometimes you may need to store result in key-value dictionary in shell script. Here is how to create dictionary, add key-value pairs, update key-value, retrieve value in Shell script.
How to Block Website in Linux
Sometimes you may need to block websites, domains and ip addresses in Linux. Here is how to block website in Linux.
How to Clear Terminal History in Linux & MacOS
Sometimes you may need to clear history of commands in Linux or MacOS. Here is how to clear terminal history in Linux & MacOS.
How to Show Asterisk for Password in Ubuntu
By default, Linux does not show password you type. Here is how to show asterisk for password in Ubuntu.