| database/sql | Package sql provides a generic interface around SQL (or SQL-like) databases. |
| flag | Package flag implements command-line flag parsing. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/denisenkom/go-mssqldb | package mssql implements the TDS protocol used to connect to MS SQL Server (sqlserver) database servers. |
| log | Package log implements a simple logging package. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |