Answer:
man this question is really about your personal experience but i'll try my best to answer this
Explanation:
onnline Web Conferencing is used by businesses and now schools who went to online because of the virus. for businesses i learned they use it to present and share with online collaboration on different applications including documents, web sites, data files, video, emails, and reduce the time and cost of business travel for meetings. i understand now that online conferencing can be used for Applications for web conferencing include meetings, training events, lectures, or presentations from a web-connected computer to other web-connected computers.
Answer:
Explanation:
pop(): Remove an item from the end of an array
push(): Add items to the end of an array
shift(): Remove an item from the beginning of an array
unshift(): Add items to the beginning of an array
Answer:
C
Explanation:
Because they don't want you to share your password
Answer:
If you code a column list in an INSERT statement that includes a column that’s defined with a default value, you can insert the default value for that column by coding the DEFAULT keyword in the VALUES clause of the INSERT statement.
Explanation:
SQL permits insert the DEFAULT value on the columns when is required. Suppose the column has a NULL constraint(values on this column can not be set in null), then you can pass the default value.
For example:
INSERT INTO table(field1, field2, field3, field4) VALUES (10, DEFAULT, 20, DEFAULT)
