Questions Related to technology

Multiple choice technology databases
  1. A SELECT statement that uses WHERE column_name = NULL returns no results

  2. A SELECT statement that uses WHERE column_name = NULL returns the rows that have null values in column_name.

  3. A SELECT statement that uses WHERE column_name = NULL will throw error.

  4. A SELECT statement that uses WHERE column_name = NULL returns all the rows.

Reveal answer Fill a bubble to check yourself
B Correct answer
Multiple choice technology databases
  1. Identifiers can be delimited by double quotation marks, and literals can not be delimited by single quotation marks

  2. Identifiers can be delimited by double quotation marks, and literals must be delimited by single quotation marks

  3. Identifiers can not be delimited by double quotation marks, and literals must be delimited by single quotation marks

  4. Identifiers can not be delimited by double quotation marks, and literals can not be delimited by single quotation marks

Reveal answer Fill a bubble to check yourself
B Correct answer