其它的external table read、direct path write、PX Deq: read credit、PX Deq: Slave Session Stats这些就是占比重40的等待事件里的Top 4了。 --"Top 5 Timed Foreground Events"的局限性 再研究下这个Top 5 Timed Foreground Events,如果先不看Load Profile,是不能计算出一个CPU-Bound的工作负载。要知道系统C...
label-prefix=label \ > --table-conf replication_num=1 Unknown operation oracle-sync-database [root@node1 flink-1.17.1]# 异常:Unknown operation oracle-sync-database 处理办法: 需要使用最新的 flink-doris-connector 包https://repository.apache.org/content/repositories/snapshots/org/apache/doris/...
SQL>select sum(bytes)/(1024*1024) as "size(M)" from user_segments where segment_name=upper('&table_name'); 5、 查看放在Oracle的内存区里的表 SQL>select table_name,cache from user_tables where instr(cache,'Y')>0; 3 索引 1、 查看索引个数和类别 SQL>select index_name,index_type,table...
datafile'/u01/app/oracle/oradata/tablespace.dbf'size200M reuse autoextendonnext16K maxsize unlimited extent managementlocalautoallocate;createuserusername identifiedby"username"defaulttablespace tablespace temporary tablespace TEMP profileDEFAULT;grantcreateuser,dropuser,alteruser,createanyview,selectanytable,deletea...
ORA-17095 Statement cache size has not been set 未设置语句缓存大小。 ORA-17096 Statement Caching cannot be enabled for this logical connection. 不能为此逻辑连接启用语句缓存。 ORA-17097 Invalid PL/SQL Index Table element type PL 索引表的元素类型无效。 ORA-17098 Invalid empty lob operation 空LOB...
,true).ToList()//true表示自动映射其他字段,id会自动赋值 publicclassUnitBigNumber { [SqlSugar.SugarColumn(IsPrimaryKey =true)] publicintId {get;set; } //QuerySql在单表没有select的查询中生效 [SqlSugar.SugarColumn(QuerySql="CAST( Num AS varchar(100))",ColumnDataType="FLOAT(64)")] ...
Power Query Desktop and Power Query Online provide a set of advanced options that you can add to your query if needed. The following table lists all of the advanced options you can set in Power Query Desktop and Power Query Online.
create table bigtab (mycol varchar2(20));begin for i in 1..20000 loop insert into bigtab (mycol) values (dbms_random.string('A',20)); end loop;end;/show errorscommit; 在终端窗口中,使用 SQL*Plus 运行该脚本: sqlplus pythonhol/welcome@127.0.0.1/orcl@query_arraysize exit . 查看$HOME...
recursive calls are basically SQL performed on behalf of your SQL. So, if you had to parse the query, for example, you might have had to run some other queries to get data dictionary information. These would be recursive calls. Space management, security checks, calling PL/SQL from SQL—...
In an event-driven solution, the information finds the target users instead of requiring users to query for the information on their own initiative. The reports are initially designed for delivery to end users based on data changing or events triggering. For the end user, the result is zero-...