1. SQL statements can be executed without a DBMS.   True   False   2. Which one of the following operators allow us to concatenate two strings?   ||   &&   +   &   Hint Half-n-half Clue   3. The data type used to store variable length bit strings is _______.   BIT VARYING(length)   BIT(length)   VARBIT2(length)   VARBIT(length)   Half-n-half Clue   4. The string constant 'Roger''s' will be stored as _______.   Rogers   Roger''s   Roger's   Roger s   Half-n-half Clue   5. What is the POSITION function used for?   To extract the row number of a particular record.   None of the above   To extract the starting position of a string in another string.   Half-n-half Clue   6. If our program generate SQL statements on-the-fly and sends it to the database as a text file, the SQL environment in use is known as _______ SQL.   Dynamic   Embedded   Real - time   PL   Half-n-half Clue   7. If we write a program in a programming language and switch to SQL when we require to use the database, then the SQL environment in use is know as _______ SQL.   Embedded   PL   Dynamic   Real - time   Half-n-half Clue