一个快速、多线程的内存数据库引擎。可以工作在嵌入模式或者 C/S 模式。-CSQL is a fast, multi-threaded SQL main memory database engine. It works in both embedded mode (database client and server run in the same host) and client/server mode. It provides very high throughput of 100,000

编写程序，a)向"student"表中填入若干数据记录；b)在"student"表中分别查询所有记录以及满足条件"age>18"的记录。c)编程创建学生成绩表，并进行数据插入、修改、删除、查询和成绩统计等操作。(Write programs, a) fill in a number of data records in the "student" table; b) query all records in t