how to convert MarketInfo(_Symbol,MODE_TICKVALUE) to MT5 version?

I used MarketInfo(_Symbol,MODE_TICKVALUE) in MT4, but can not found equivalent in MT5
Keith Watford  
paul selvan  
Migrating from MQL4 to MQL5
Migrating from MQL4 to MQL5
Practical Application Of Databases For Markets Analysis Working with data has become the main task for modern software - both for standalone and network applications. To solve this problem a specialized software were created. These are Database Management Systems (DBMS), that can structure, systematize and organize data for their computer...