The monitors may come with VGA or DVI cables but the HDMI is the standard connection for most office dual monitor setups.
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What does the * represent in SQL?
The second part of a SQL query is the name of the column you want to retrieve for each record you are getting. You can obviously retrieve multiple columns for each record, and (only if you want to retrieve all the columns) you can replace the list of them with * , which means “all…
What is the purpose of * wildcard in a selector?
The wildcard selector literally means any descendant of the preceding selector. So given a selector like div#nav * would match any elements that are nested with a element, but not the element itself. Let me show you a useful example. What is the purpose of * In selector? Answer: A selector is one of the…
Why are wildcards useful?
Wildcards are symbols used in database searchs to represent a letter or letters in a word. Wildcards can be useful when searching for information because they enable different forms or spelling of a word to be searched similtaneously. What are wildcards how are they useful? Wildcards are special characters that can stand in for unknown…
What is query statement?
A statement is the general term for a piece of complete, correct SQL that you can send to a DBMS. A query is a statement that will return data, thus a query is a special kind of statement. A SELECT … would be a query, a DELETE… just a statement. What are the four main…
What are the types of SQL comments?
There are two types of SQL comments: simple comments. Simple comments are introduced by two consecutive hyphens (–) and end with the end of line. bracketed comments. What is the comment tag in SQL? A comment can appear between any keywords, parameters, or punctuation marks in a statement. You can include a comment in a…
Which command is used to know Python?
To check your Python version, run python ‐‐version in your command line (Windows), shell (Mac), or terminal (Linux/Ubuntu). To check your Python version in your script, run import sys to get the module and use sys. version to find detailed version information in your code. Which command will you use to check the Python? Check…
What are basic errors?
An error is something you have done which is considered to be incorrect or wrong, or which should not have been done. Collins COBUILD Advanced Learner’s Dictionary. What is basic error? An error is something you have done which is considered to be incorrect or wrong, or which should not have been done. Collins COBUILD…
What is the default MySQL password?
The default user for MySQL is root and by default it has no password. If you set a password for MySQL and you can’t recall it, you can always reset it and choose another one. What is root password in MySQL example? Configuring a default root password for MySQL/MariaDB Use the following procedure to set…