You are writing the code for a Web application that will access data in a Microsoft SQL Server database. Which of the following connection string's codes can you use assuming that the database file is called transactions.mdf$?$

Question $5$ options:

a$)$

Provider$=$Microsoft.ACE.OLEDB$\mathrm{.}12\mathrm{.}0$;Data Source$=$C:$\backslash$transactions$.$mdf;

User ID$=$; Password$=$;

b$)$

Provider$=$Microsoft.DB$2$OLEDB$\mathrm{.}12\mathrm{.}0$;Data Source$=$C:$\backslash$transactions$.$mdf;

User ID$=$; Password$=$;

c$)$

Provider$=$SQLOLEDB;Data Source$=$C:$\backslash$transactions$.$mdf;

User ID$=$; Password$=$;

d$)$

Provider$=$MySQLProv;Data Source$=$C:$\backslash$transactions$.$mdf;

User ID$=$; Password$=$;