企业级年假系统后台设计，包括数据库建立脚本，运行逻辑的SP，以及SSIS的数据抽取job。需要运行在SSIS，SSRS上-Enterprise-level annual leave system background design, including database creation scr ipt, running logic SP, and SSIS data extraction job. Needs to run in SSIS, SSRS on