--1. writes programs to compute the sum of 1+2+... +100 --2. writes the SQL statement for computing n! (n=20) and shows the results of the calculation --3. uses the system function: --a. extracts the birthday date of the ID number, such as 19900913 --b. hides fourth to 7 numbers in the middle of your phone number as * * *, 138****9008. --c. gets the random integer between 1-10 --d. gets age from your ID card number --4. tries to solve all the number of daffodils. The number of daffodils is three digits, and the number of cubic bits of the daffodils is equal to the three digits themselves.

Filename	Size	Update
SQL语言基础1.docx	12505	2018-01-05

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