1、SQL窗口的,执行SQL后只能去output查看; 2、command window的,需要先设置set serveroutput on size unlimited,然后再执行存储过程 output或者命令窗口查看的真实执行计划和统计信息: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 SQL_IDabk3ghv9u1tvb,child number0---SELECT/*+ monitor */*FROMAPPR_HAND...
Run. Click theRunbutton (or press Ctrl+Enter) to run the command in the command editor, or the currently highlighted command in the command editor. See"Running a SQL Command". See Also: "Using the Command Editor" Selecting a Schema ...
加载DFS数据 ,同时给定分区信息: hive> LOAD DATA INPATH '/user/myname/kv2.txt' OVERWRITE INTO TABLE invites PARTITION (ds='2008-08-15'); The above command will load data from an HDFS file/directory to the table. Note that loading data from HDFS will result in moving the file/directory. ...
0 - output([O.O_W_ID], [O.O_D_ID], [O.O_OL_CNT], [OL.OL_NUMBER], [OL.OL_QUANTITY], [OL.OL_AMOUNT], [I.I_NAME], [I.I_PRICE]), filter(nil), sort_keys([O.O_OL_CNT, ASC], [OL.OL_NUMBER, ASC]) 1 - output([O.O_W_ID], [O.O_D_ID], [O.O_OL_CNT],...
5) command列,显示当前连接的执行的命令,一般取值为休眠(sleep),查询(query),连接(connect)等 6) time列,显示这个状态持续的时间,单位是秒 7) state列,显示使用当前连接的sql语句的状态,很重要的列。state描述的是语句执行中的某一个状态。一个sql语句,以查询为例,可能需要经过copying to tmp table、sorting ...
-- Execute a resumable online index create statement with MAXDOP=1 CREATE INDEX test_idx1 ON test_table (col1) WITH (ONLINE = ON, MAXDOP = 1, RESUMABLE = ON); -- Executing the same command again (see above) after an index operation was paused, resumes automatically the index create op...
-- This command forces all closed and open row groups into columnstore. ALTER INDEX IndFactResellerSalesXL_CCI ON FactResellerSalesXL_CCI REORGANIZE WITH (COMPRESS_ALL_ROW_GROUPS = ON); 重新组织表中的所有索引 下面的示例重新组织 AdventureWorks2022 数据库中 HumanResources.Employee 表内的所有索引。
如果没有权限，执行器会报错，并且返回没有权限的错误信息，比如：ERROR 1142 (42000): SELECT command denied to user 'guest'@'localhost' for table 'employees'执行操作：执行器会根据执行计划中的操作步骤，依次调用存储引擎的接口来执行。比如，如果执行计划中有一个表扫描的操作，执行器就会调用存储引擎的接口...
connectionCommand() 내에서 executeCommand()에 대한 불필요한 호출이 제거됨 릴리스 번호: 10.2.0 릴리스 날짜: 2022년 1월 31일 SQL Server용 Microsoft JDBC Driver 10.2.0(zip) 다운로드 SQL Server용 Microsoft JDBC Driver 10.2.0(tar....
$sort阶段:接收分组计算的输出,按total得分进行排序 聚合操作示例二 导入邮政编码数据集:https://media.mongodb.org/zips.json 复制下来,放入记事本并重命名为zips.json即可。 使用mongoimport工具导入数据[[Download MongoDB Tools](Download MongoDB Command Line Database Tools | MongoDB) ...