DB数据库基础入门.docx

IBM DB2数据?库基础基本命令集?合　1. 建立数据库?DB2_G?CB　　CREAT?E DATAB?ASE DB2_G?CB ON G: ALIAS? DB2_G?CB　　USING? CODES?ET GBK TERRI?TORY CN COLLA?TE USING? SYSTE?M DFT_E?XTENT?_SZ 32　2. 连接数据库?　　conne?ct to sampl?e1 user db2ad?min using? 83012?06　3. 建立别名　　creat?e alias? db2ad?min.table?s for sysst?at.table?s;　　CREAT?E ALIAS? DB2AD?MIN.VIEWS? FOR SYSCA?T.VIEWS?　　creat?e alias? db2ad?min.colum?ns for sysca?t.colum?ns;　　creat?e alias? guest?.colum?ns for sysca?t.colum?ns;　4. 建立表　　creat?e table? zjt_t?ables? as　　(selec?t * from table?s) defin?ition? only;　　creat?e table? zjt_v?iews as　　(selec?t * from views?) defin?ition? only;　5. 插入记录　　inser?t into zjt_t?ables? selec?t * from table?s;　　inser?t into zjt_v?iews selec?t * from views?;　6. 建立视图　　creat?e view V_zjt?_tabl?es as selec?t tabsc?hema,tabna?me from zjt_t?ables?;　7. 建立触发器?　　CREAT?E TRIGG?ER zjt_t?ables?_del　　AFTER? DELET?E ON zjt_t?ables?　　REFER?ENCIN?G OLD AS O　　FOR EACH ROW MODE DB2SQ?L　　Inser?t into zjt_t?ables?1 value?s(subst?r(o.tabsc?hema,1,8),subst?r(o.tabna?me,1,10))　8. 建立唯一性?索引　　CREAT?E UNIQU?E INDEX? I_zta?bles_?tabna?me　　ON zjt_t?ables?(tabna?me);　9. 查看表　　selec?t tabna?me from table?s　　where? tabna?me=ZJT_T?ABLES?;　10. 查看列　　selec?t SUBST?R(COLNA?ME,1,20) as 列名,TYPEN?AME as 类型,LENGT?H as 长度　　from colum?ns　　where? tabna?me=ZJT_T?ABLES?;　11. 查看表结构?　　db2 descr?ibe table? user1?.depar?tment?　　db2 descr?ibe selec?t * from user.table?s　12. 查看表的索?引　　db2 descr?ibe index?es for table? user1?.depar?tment?　13. 查看视图　　selec?t viewn?ame from views?　　where? viewn?ame=V_ZJT?_TABL?ES;　14. 查看索引　　selec?t indna?me from index?es　　where? indna?me=I_ZTA?BLES_?TABNA?ME;　15. 查看存贮过?程　　SELEC?T SUBST?R(PROCS?CHEMA?,1,15),SUBST?R(PROCN?AME,1,15)　　FROM SYSCA?T.PROCE?DURES?;　16. 类型转换(cast)　　ip datat?ype:varch?ar　　selec?t cast(ip as integ?er)+50 from log_c?omm_f?ailed?　17. 重新连接　　conne?ct reset?　18. 中断数据库?连接　　disco?nnect? db2_g?cb　19. view appli?catio?n　　LIST APPLI?CATIO?N;　20. kill appli?catio?n　　FORCE? APPLI?CATIO?N(0);　　db2 force? appli?catio?ns all (