Useful tips for everyday
Is there a Lego charity? We shifted our focus to financial donations to charity partners who support children in Learning Through Play, reaching up to…
How do I fix error codes? How to fix it: Check for errors in the URL. This is the most common reason for a 400…
How does replication work in a MySQL database? Replication enables data from one MySQL database server (the master) to be copied to one or more…
What is tabular report? A tabular report displays descriptive statistics in a table format. A tabular report lets you place data into classes or categories…
Can NULL values be added to primary key? Answer: No. We can’t have a Primary Key column with a NULL value. The reason for the…
How do you move a model database? Moving model database For each file to be moved, run the following statement. Stop the instance of SQL…
How does print statement PRINT the current line? The print statement prints the current line ($0), record separator (RS) which is the newline, and the…
How are left and right eigenvectors related? The left eigenvalues of a matrix are the zeroes of its minimal polynomial. The right eigenvalues of a…
What is a bridge group interface? A bridge group is a virtual interface that groups one or more interfaces. The main reason to group interfaces…
Who created the dongle? A 1992 Byte magazine advertisement by Rainbow Technologies claimed that dongles were invented by and named after a person named “Don…