n. tha act or process of making something officially or legally acceptable or approved: Parking is free with validation of your ticket by one of the stores in the mail. The system enables electronic validation of an applicant’s identity and certificates.
validation query 数据库执行SQL的验证语句 If compilation (or validation) fails, then something is not as it should be. 如果编译（或验证）失败，那么一定有一些事情出错了。