$ sqlplus ogguser/ogguser@<PRIMARY_IP_ADDRESS>/<SERVICE_NAME> insert into t1 select t1_seq.nextval, dbms_random.string('A', 32), dbms_random.string('A', 128), sysdate from dual connect by level <=1000; commit; --确认数据 SQL> select count(1) from t1; COUNT(1) --- 1000 --OG...
Oracle (Active) Data Guard 19c Real-Time Data Protection and Availability WHITE PAPER / MARCH 7, 2019 TABLE OF CONTENTS Introduction ... 3 Oracle Active Data Guard – An Overview... 4 Data Guard 19c New Features ...
to_char(floor(dbms_random.value(100000000000000000,999999999999999999))) , dbms_random.string('x',dbms_random.value(3,20))||'@'||dbms_random.string('x',dbms_random.value(3,8))||'.com' , to_char(floor(dbms_random.value(10000000000,19999999999))) , sysdate - dbms_random.value(0,100*...
The I/O calibration feature of Oracle Database is accessed using the DBMS_RESOURCE_MANAGER.CALIBRATE_IO procedure. This procedure issues an I/O intensive read-only workload, made up of one megabyte of random of I/Os, to the database files to determine the maximum ...
insert into test select rownum, dbms_random.string('x',20) from dual connect by rownum <=10000; commit; select count(*) from test; selectname,open_modefromv$database; colnamefora55 selectfile#,namefromv$datafile; 删除数据文件 ! rm -fr /u01/app/oracle/oradata/TEST19C/datafile/o1_mf_...
19c Oracle rac 集群安装实践 集群安装实践 集群软件配置规范 基本说明 19c rac 安装实践_李石岩的技术博客的技术博客_51CTO博客 补充 数据库安装包:LINUX.X64_193000_db_home.zip 集群安装包:LINUX.X64_193000_grid_home.zip...
dbms_random.value ; begin dbms_stats.gather_table_stats( ownname => user, tabname => 'T1', method_opt => 'for all columns size 1' ); end; / alter table t1 add constraint t1_pk primary key(val1, val2, id); I’ve created a table with 3 values for val1, 10 values for val...
select rownum,dbms_random.string('*',dbms_random.value(6,20)) from dual connect by level<101; 【充值二】 begin for i in 1..100 loop insert into emp values(i,'No.'||i); end loop; commit; end; / 【充值三】 (要充值的表) ...
System schemas (pg_toast, cstore, snapshot, sys, dbms_job, dbms_perf, pg_catalog, information_schema, utl_file, dbms_output, dbms_random, utl_raw, dbms_sql, dbms_lob, dbe_perf, pkg_service, pkg_util, dbe_file, dbe_random, dbe_output, dbe_raw, dbe_sql, dbe_lob, dbe_task, blo...