数据库工程师-(31)

90 1 SQL server 2000 A SQL Server B Windows C SQL Server D 2 A B C D 3 SQL Server 2000 CPU 1 I O A B C D 4 OLTP A B C D 5 A B C D 6 A B C D 7 A B C D 8 SQL Server 2000 Userl Userl A B C D 9 A WHERE B ORDER BY GROUP BY C D 10 SQL Server 2000 A B C D 11 A B C D 12 A B C D 13 SQL Server2000 A B C D 14 CPU DDL DBA A B C D 15 RAID5 RAIDl A B C D 16 A B C D 17 A B C D 18 SQL A INSERT DELETE UPDATE B REVOKE C D COMMIT 19 A B C D 20 T0 T1 Tn T0 T1 A T1 T2 A2 Tn 1 Tn An Tn T0 A0 A B C D 21 DFD IDEF0 E R A B C D 22 A CPU B I O C D 23 A B C D 24 A B C D 25 A B DBMS C Q Q D DBMS 26 A IDEFO B C D 27 DFD IDEF0 A DFD B DFD C IDEF0 D 28 A B C D 29 A CREATE VIEW SalaryView AS SELECT COUNT FROM GROUP BY B CREATE VIEW SalaryView AS SELECT SUM FROM GROUP BY C CREATE VIEW SalaryView AS SELECT COUNT FROM GROUP BY D CREATE VIEW SalalryView AS SELECT SUM FROM GROUP BY 30 DBMS OS A B C D 31 32 A B A B T1 T2 T3 1000 T4 1000 T5 100 9 00 T6 T7 900 T4 33 SELECT FROM 34 35 37 R A B C D F A C B AC D AC C A CD R 38 E R E R 1 D SQL Server Windows SQL D 2 B m n B 3 D A B C IO 4 D OLTP 5 C C A OLTP B D 6 A 7 C C 8 D 9 D DBMS WHERE ORDER BY GROUP BY WHERE 10 B B 11 C E R C 12 D D 13 C 14 A DBA DBAS A 15 B I 16 C 17 A 18 A REVOKE COMMIT 19 A 20 D T0 T1 Tn T0 T1 A T1 T2 A2 Tn 1 Tn An Tn T0 A0 21 A Data Flow Diagram DFD IDEF0 A 22 D CPU I O D 23 D 24 D 25 D Q DBMS 26 C 27 A 28 B 29 B SUM COUNT B 30 D 1 2 3 DBMS OS D 31 32 33 COUNT DI