"source": {"type":"OracleSource","query": "SELECT * FROM <TABLENAME> PARTITION(\"?AdfTabularPartitionName\") WHERE <your_additional_where_clause>","partitionOption":"PhysicalPartitionsOfTable","partitionSettings": {"partitionNames": ["<partitionA_name>","<partitionB_name>"] } } ...
范围分区表是通过 create table 语句的 partition by range 子句来创建的,分区的范围通过 values less than 子句指定,其指定的是分区的上限(不包含),所有大于等于指定值的数据被分配至下一个分区,除了第一个分区,每个分区的下限即前一个分区的上限: create table members ( id number, name varchar2(32), creat...
-- delete the partition older than INPUT_DAYS days (exclusive) in INPUT_TABLEcreateorreplaceproceduredo_delete_old_partition ( INPUT_TABLEINVARCHAR, INPUT_DAYSINNUMBER )ASBEGINFORPIN(SELECTPARTITION_NAME, HIGH_VALUEFROMUSER_TAB_PARTITIONSWHERETABLE_NAME=INPUT_TABLE) LOOPEXECUTEIMMEDIATE'BEGIN IF TO_...
14:18:22SYS@testdb(485)>altertablezkm.file_msdroppartition(SYS_P53);Tablealtered. Elapsed:00:00:00.0214:18:43SYS@testdb(485)>selectindex_name,wm_concat(column_name) column_names,statusfrom(selectdistincta.INDEX_NAME,a.COLUMN_NAME,b.status,a.COLUMN_POSITIONfromdba_ind_columns a,dba_indexes...
partitionNames The list of physical partitions that needs to be copied. Apply when the partition option is PhysicalPartitionsOfTable. If you use a query to retrieve the source data, hook ?AdfTabularPartitionName in the WHERE clause. For an example, see the Parallel copy from Oracle section. ...
SELECTCOUNT(*)FROMRECYCLEBIN; 如果创建数据迁移项目时,您仅配置了增量同步,OMS 要求源端数据库的归档日志保存 48 小时以上。 如果创建数据迁移项目时,您配置了全量迁移+增量同步,OMS 要求源端数据库的归档日志至少保留 7 天以上。否则数据迁移可能因为无法获取增量日志导致数据迁移项目失败,甚至导致源端和目标端...
For more information, see Map object names. Ignore Errors and Proceed: skips the precheck for identical table names in the source and destination databases. Warning If you select Ignore Errors and Proceed, data inconsistency may occur and your business may be ...
select e.employee_id, e.first_name, e.last_name, row_number() over ( partition by department_id order by hire_date ) rn from hr.employees e ) select * from rws where rn <= 3; EMPLOYEE_ID FIRST_NAME LAST_NAME RN --- --- --- --- 200 Jennifer Whalen 1 201 Michael Hartstein...
Q207. Which two statements will return the names of the three employees with the lowest salaries? A) SELECT last_ name, salary FROM employees FETCH FIRST 3 ROWS ONLY ORDER BY salary; B) SELECT last name, salary FROM employees ORDER BY salary ...
select * from cdc_doris_sink; >>>将数据插入到 Doris 表里 执行下面的 SQL: insert into cdc_doris_sink (emp_no,birth_date,first_name,last_name,gender,hire_date,database_name,table_name) select emp_no,cast(birth_date as string) as birth_date ,first_name,last_name,gender,cast(hire_date...