Inline Side-by-side Side-by-side Markdown Select * from employee group by department,max(salary) ; select e1.* from employee e1 where e1.salary in (select max(e2.salary) from employee e2 where e2.department = e1.department); Select * from employee group by department,max(salary) ;...
-- To avoid storing the login and password in the script file, the value -- is passed into SQLCMD as a scripting variable. For information about -- how to use scripting variables on the command line and in SQL Server -- Management Studio, see the "Executing Replication Scripts" section ...
-- To avoid storing the login and password in the script file, the value -- is passed into SQLCMD as a scripting variable. For information about -- how to use scripting variables on the command line and in SQL Server -- Management Studio, s...
-- Assuming AUTO_UPDATE_STATISTICS is already ON for your database: -- ALTER DATABASE CURRENT SET AUTO_UPDATE_STATISTICS ON; ALTER DATABASE CURRENT SET COMPATIBILITY_LEVEL = 130; GO DECLARE @sql NVARCHAR(MAX) = N''; SELECT @sql += N'UPDATE STATISTICS ' + quotename(schema_name(t.schema...
What I want is to create a select that will only return the max ID of each TicketID and omit the rest, in the example above I would need IDs 3 and 6, but I can't figure how to make the query. sql-server 来源:https://stackoverflow.com/questions/76784373/sql-select-max-value-for...
SELECT MAX(column_name) FROM table_name; 这些函数可以与GROUP BY子句结合使用,以便按组执行聚合操作。例如,如果要计算每个部门的员工数量: 代码语言:javascript 代码运行次数:0 复制Cloud Studio 代码运行 SELECT department, COUNT(employee_id) as employee_count FROM employees GROUP BY department; 上述查询将返...
SELECT rid, MAX(report_date) AS maxreportdate FROM report_posts GROUP BY rid Output: === | rid | report_date | | 1 | 1202619600 | | 2 | 1203138000 | Here is the problem... If I try to add another column to the query, the extra column does not match the results. Thi...
MAX_RECORDS_PER_FETCH_INVALID_FOR_KINESIS_SOURCE、METRIC_STORE_INVALID_ARGUMENT_VALUE_ERROR、ROW_VALUE_IS_NULL、RULE_ID_NOT_FOUND、SECOND_FUNCTION_ARGUMENT_NOT_INTEGER、ST_DIFFERENT_SRID_VALUES、ST_INVALID_ARGUMENT、ST_INVALID_ARGUMENT_TYPE、ST_INVALID_CRS_TRANSFORMATION_ERROR、ST_INVALID_ENDIANNESS_...
Withgroupedas(Selectperson_id,max(sort_num)asmaxsortFromtable1Groupbyperson_id)Selectt2.person_id, t2.advert, t2.sort_num+coalesce(g.maxsort,0)asnewsortnumFromtablet2Leftjoingrouped gont2.person_id=g.person_id This will get max value of sort number for each key in the first table,...
42803 SELECT または HAVING 文節の列参照は、それがグループ列ではないか、または GROUP BY 文節の列参照が無効であるために、無効です。 42804 CASE 式の結果の式が、互換性がありません。 42805 ORDER BY 文節の整数が結果表の列を識別しません。 42806 データ・タイプに互換性がないため、...