Useful tips for everyday
Can we use aggregate function in Trigger? For example, a trigger needs to apply aggregate functions, such as MIN or MAX, to a specific column…
How does a stem and leaf plot work? A plot where each data value is split into a “leaf” (usually the last digit) and a…
How do I search for special symbols in Google? There are no special way to search specific symbol, you can type the name or pate…
How do you recognize a word in a sentence? Examples of recognize in a Sentence I didn’t recognize you at first with your new haircut.…
How to make QGIS layer update from changed data source? Or maybe I did something two minutes ago. The one reproducible way of getting it…
How does the INSERT statement in Oracle work? Assigns the values of expressions to corresponding columns in the column list. If there is no column…
Which command is used to encrypt file using GPG? Encrypting and decrypting documents with GPG in Linux The message is encrypted with the US-CERT public…
How do you print escape sequences? Escape Sequence Example #include int main(){ int number=50; printf(“You\nare\nlearning\n\’c\’ language\n\”Do you know C language\””); return 0; } How do…
Why does my phone randomly go black and restart? Perform a Factory Reset. When your phone screen goes black randomly, it may be an indication…
Can subquery be used in ORDER BY? Subqueries must be enclosed within parentheses. A subquery can have only one column in the SELECT clause, unless…