INSERT INTO ADVISE_INDEX (NAME, CREATOR, TBNAME, TBCREATOR, COLNAMES, UNIQUERULE, COLCOUNT, IID, NLEAF, NLEVELS, FIRSTKEYCARD, FULLKEYCARD, CLUSTERRATIO, USERDEFINED, SYSTEM_REQUIRED, SEQUENTIAL_PAGES, DENSITY, FIRST2KEYCARD, FIRST3KEYCARD, FIRST4KEYCARD, PCTFREE, UNIQUE_COLCOUNT, MINPCTUSED...
5.2.4 索引(Index) 索引是含有一组经过排序的指针的对象,这些指针指向基础表中的 列。索引以一个或多个列为基础,但被存储为独立的实体。 create unique index dept_index on department2(deptid); 1. 5.2.5 别名(Alias) 别名是供公开引用的名称,因此,使用它们时不需要特别的权限或 特权。 –但是,访问别名所...
-tmax-advise-time Specifies the maximum allowable time, in minutes, to complete the operation. If no value is specified for this option, the operation will continue until it is completed. To specify an unlimited time enter a value of zero. The default is zero. ...
The insert into the ADVISE_INSTANCE table has failed.0 solutions were evaluated by the advisorexiting with error code [-219]DB2INST1,DB2INSTT都执行过EXPLAIN.DDL,都有相关EXPLAIN,ADVISE表。另外我在测试环境,实例用户DB2INST1与SYSADM权限用户DB2INSTT都报错,EXPLAIN,ADVIS相关表,FUNCTION都删除重新生成的。
create index cb_finacc_acctno on cp_indacc(cb_fin_acctno) 6. select, delete, insert, update 1) select * from acl_user where user_id='test' 选择前3条记录: select * from acl_user fetch first 3 rows only 查询从第m条到第n条记录: ...
Provides index advise to improve statement performance Scans entire workload to detect statement degradations Displays side by side comparison of performance Provides drill-downs to the executed SQL by users Recommends optimal use of Solid State Disk Computes relational metrics and performance metrics Moni...
ADVISE COMMIT EXTERNAL ADVISOR COMPUTE FENCED AFTER CONSTRAINT FETCH ALIAS CONTAINS FIELDPROC ALL CONTAINSTABLE FILE ALLOCATE CONTINUE FINAL ALLOW CONVERT FOR ALL_ROWS COUNT FOREIGN ALTER CREATE FREE ALWAYS CROSS FROM ANALYZE CURRENT FULL ANCILLARY CURRENT_DATE FUNCTION AND CURRENT_TIME ...
●db2advis -d sample -s "select * from employee where workdept='A00' and salary > 40000" -o output.out 也可以对批量的语句进行advise ●db2pd 需要仔细研究和熟悉 ●db2acsutil 快照备份和管理,详细资料看信息中心 ●db2addicons 针对linux系统,对某用户创建tools的菜单,详细见信息中心。
[-t max_advise_time] [-h] [-p] [-o out_file] db2advis -d sample -s "SELECT * FROM employee e WHERE firstnme LIKE ’A%’" -a inst00/inst00 -l 53 -t 20 exercises: a、create normal index CONNECT TO SAMPLE; CREATE INDEX DB2ADMIN.IDX_STAFF_NAME ON NEW.STAFF ("NAME" ASC) ...
ADVISE COMMIT EXTERNAL ADVISOR COMPUTE FENCED AFTER CONSTRAINT FETCH ALIAS CONTAINS FIELDPROC ALL CONTAINSTABLE FILE ALLOCATE CONTINUE FINAL ALLOW CONVERT FOR ALL_ROWS COUNT FOREIGN ALTER CREATE FREE ALWAYS CROSS FROM ANALYZE CURRENT FULL ANCILLARY CURRENT_DATE FUNCTION AND CURRENT_TIME ...