一、grouping_id的作用 grouping_id在Oracle数据库中主要用于分组查询,它为每个组分配一个唯一的标识符。通过使用grouping_id,可以在查询结果中对每个组进行聚合操作,例如求和、计数、平均值等。grouping_id有助于将结果集按照特定的分组条件进行组织,方便对数据进行进一步的分析和处理。 在使用grouping_id时,需要将其...
Title: An In-depth Guide to the Usage of GROUPING_ID in Oracle Introduction: In Oracle, the GROUPING_ID function is a powerful tool that allows for advanced grouping and aggregation of data in a single SQL query. It provides aunique identifier for each group in a result set, enabling more...
division_id,job_id, grouping(division_id) as div_grp, grouping(job_id) as job_grp, grouping_id(division_id,job_id) as grp_id, sum(salary) from employees2 group by cube(division_id,job_id) order by division_id,job_id; DIV JOB DIV_GRP JOB_GRP GRP_ID SUM(SALARY) --- --- --...
CONCAT(ISNULL(year)) is used to connect the grouping result just as in oracle.For example, grouping_id(A1,A2,A2) equals seven which means the result is 111 in binary and grouping_id(A1,A2,A2) equals three which means the result is 011 in binary. So I used CONCAT(ISNULL(A1),IS...
[TL; DR ] 总计 将 位于 ID 为 分组 集 的 最 大 值 的 分组 集中 ， 该 值 等于 2 （ ...
解析:此表是三级汇总,银行汇总到额度(商业额度、其他额度),各种额度汇总到拆入方式(银行借款、集团拆入、总部拆入)、拆入方式汇总总计。grouping_id可以实现N级逐级汇总 用法: 案例 select grouping_id(loan.nborrowtype, loan.nfinancetype, loan.ncounterpartyid) groupid, ...
oracle 高级分组 GROUPING_ID 用SCOTT/TIGER登录。 GROUPING_ID可以接收多个列,这几个列都不为空时,返回0,只要有一个为空,则返回1,如果都为空,则返回3。 SQL: SELECT GROUPING_ID(JOB, DEPTNO), JOB, DEPTNO, SUM(SAL) FROM EMP GROUP BY ROLLUP(JOB, DEPTNO);...
E Oracle SQL Reserved Words and Keywords F Extended Examples IndexGROUPING_ID Syntax Description of the illustration grouping_id.eps Purpose GROUPING_ID returns a number corresponding to the GROUPING bit vector associated with a row. GROUPING_ID is applicable only in a SELECT statement that con...
1、GROUPING_ID用法实例 SQL> select 2 division_id,job_id, 3 grouping(division_id) as div_grp, 4 grouping(job_id) as job_grp, 5 grouping_id(division_id,job_id) as grp_id, 6 sum(salary) 7 from employees2 8 group by cube(division_id,job_id) ...
解析:此表是三级汇总,银行汇总到额度(商业额度、其他额度),各种额度汇总到拆入方式(银行借款、集团拆入、总部拆入)、拆入方式汇总总计。grouping_id可以实现N级逐级汇总 用法: 案例 select grouping_id(loan.nborrowtype, loan.nfinancetype, loan.ncounterpartyid) groupid, ...