FORMAT_TIMESTAMP('%X', fastest_time) AS fastest_time, TIMESTAMP_DIFF(finish_time, fastest_time, SECOND) AS delta_in_seconds FROM ( SELECT name, finish_time, division, FIRST_VALUE(finish_time) OVER (PARTITION BY
The FIRST_VALUE function returns the first value in a result set. A result set with multiple groups can also return their first values for each group.
SQL 语法 系统租户 普通租户(MySQL 模式) 基本元素 运算符 序列伪列 函数 函数概述 单行函数 聚合函数 分析函数 APPROX_COUNT_DISTINCT AVG BIT_AND BIT_OR BIT_XOR COUNT CUME_DIST DENSE_RANK FIRST_VALUE LAG LAST_VALUE LEAD MAX MIN NTH_VALUE NTILE PERCENT_RANK RANK ROW_NUMBER STD STDDEV STDDEV_POP...
Azure SQL Edge SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric Returns the first value in an ordered set of values. Transact-SQL syntax conventions Syntax syntaxsql FIRST_VALUE( [scalar_expression] ) [IGNORENULLS|RESPECTNULLS]OVER( [partition_by_clause]order_by_clause[rows...
Returns the first value in an ordered set of values in SQL Server 2012. Transact-SQL Syntax Conventions Syntax FIRST_VALUE ( [scalar_expression ] ) OVER ( [ partition_by_clause ] order_by_clause [ rows_range_clause ] ) Arguments
The FIRST_VALUE analytic function returns the first value in an ordered set of values provided by the windowing expression. FIRST_VALUE can only be used in the context of awindowing expression. Syntax FIRST_VALUE_Expression := 'FIRST_VALUE' '('expression')'. ...
FIRST_VALUE (expression) [ {RESPECT | IGNORE} NULLS ]) OVER ( [ query_partition_clause ] order_by_clause [frame_clause] )Code language:SQL (Structured Query Language)(sql) In this syntax: expression is an expression evaluated against the value of the first row in the window frame specifie...
FIRST_VALUE returns the evaluation of the <value expression> from the first row that qualifies for the aggregate. FIRST_VALUE requires the OVER clause, and is considered an . FIRST_VALUE has a null treatment option defined in the following table.
first_value的hive写法 DDL(data definition language): 主要的命令有CREATE、ALTER、DROP等。 DDL主要是用在定义、修改数据库对象的结构 或 数据类型。 1、数据库操作 Hive有一个默认的数据库default,在操作HQL时,如果不明确的指定要使用哪个库,则使用默认数据库;...
但我的问题与任何支持FIRST_VALUE、LAST_VALUe、LEAD、LAG等窗口函数的SQL方言相关。