近日,一19c oracle rac测试环境,初始反馈是sys用户查询很快,cdb用户如c##any查询系统表如all_tables很慢,至少相差几十倍、有时候直接半天超时还没执行完,经查一开始发现在等待gc cr multi block mixed事件,该事件据官方解释,该事件时提升性能用的,如下: Oracle GC CR Multi Block Mixed 事件是一种用于提高Oracle...
and sql_hash_value = hash_value / 11.查看数据表的参数信息 SELECT partition_name, high_value, high_value_length, tablespace_name, pct_free, pct_used, ini_trans, max_trans, initial_extent, next_extent, min_extent, max_extent, pct_increase, FREELISTS, freelist_groups, LOGGING, BUFFER_POOL...
ONLINE_REDEF 视图中的REFRESH_STATEMENT_SQL_ID 和 REFRESH_STATEMENT 列,可以检查在线表重定义期间自动运行的刷新的进度。 您可以使用 REFRESH_STATEMENT_SQL_ID 列返回的SQL_ID 值来监视视图(如 VSQL视图和VSQL_MONITOR 视图)中的刷新进度。 连接到会话中的数据库,该会话与执行在线表重定义的会话是分开的。 查...
executing Memory Script sql statement: alter system set db_unique_name = ''TESTDGPHY'' comment= ''' scope=spfile sql statement: alter system set log_archive_dest_1 = ''LOCATION=/arch valid_for=(ALL_LOGFILES,ALL_ROLES) db_unique_name=TESTDGPHY'' comment= ''' scope=spfile sql statement...
gsql:Oracle_Functions.sql:1035: NOTICE: -- === gsql:Oracle_Functions.sql:1035: NOTICE: -- Compat Object List: gsql:Oracle_Functions.sql:1035: NOTICE: -- === gsql:Oracle_Functions.sql:1035: NOTICE: | type | name | version | language | operation | gsql:Oracle_Functions.sql:1035:...
Drag and Drop into your SQL Snippets Tables/Materialized Views (bring over full select statement) Functions/Procedures (bring over full parameter list) All other objects from Connections SQL from Reports Any files opened will be opened into a SQL Worksheet. The user will simply select the appropri...
Oracle BAM Server has been implemented as an Oracle Data Integrator technology (for example, DB2, SQL Server are Oracle Data Integrator technologies) and Oracle BAM has Oracle Data Integrator knowledge modules which let Oracle Data Integrator perform all of the operations on Oracle BAM Server to ...
Because the results of EXPLAIN PLAN on the original query might differ from the way the query is actually processed, the DBA can get more precise information by examining the V$SQL_PLAN and V$SQL_PLAN_STATS catalog views. The V$SQL_PLAN_ENV catalog view shows what parameters have changed ...
您需要在 myproj/myapp/views.py 中添加一个新函数来查询该模型并生成报表输出。将以下内容添加到该文件的结尾: from django.template import Context, loader from django.http import HttpResponse from myproj.myapp.models import locations def index(request): location_list = locations.objects.all().order_...
3.3 Oracle INSERT ALL限制 一、oracle没有create or replace table Oracle数据库和其他数据库(比如MySQL)在新建数据表的时候有以下区别: SQL> create or replace table testTb; create or replace table testTb ORA-00922: 选项缺失或无效 只能使用先drop再create来代替 ...