Questions Related to technology

Multiple choice technology programming languages
  1. A blinking vertical line that indicates the location of the next input on the display screen.

  2. A cursor is SQL keyword specifying a retrieved data order.

  3. Cursor is acronym for Current Set Of Records and is a database object pointing to a currently selected set of records.

  4. None of the above

Reveal answer Fill a bubble to check yourself
C Correct answer
Multiple choice technology programming languages
  1. A foreign key is a key field (column) in a database table, which relates the table to another table where the key is a primary key. The primary - foreign key relations are used to cross-reference database tables.

  2. The foreign key is a SQL locking mechanism.

  3. The foreign key is a column that can have NULL values.

  4. None of the above

Reveal answer Fill a bubble to check yourself
A Correct answer