Helpful link as below:
1.Transact-SQL
http://en.wikipedia.org/wiki/Transact-SQL
2.SQL Anywhere
http://dcx.sybase.com/index#1201/zh/dbusage/thcq
3.Sybase ASE
Store Procedure
Transact-SQL UsersGuide
http://infocenter.sybase.com/help/index.jsp?topic=/com.sybase.help.dbexpert_15.0.2/title.htm