postgres greatest

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postgres greatest

請注意,GREATEST 和LEAST 並不在SQL 標準中,但卻是一個常見的延伸功能。如果任何參數為NULL,則其他一些資料庫會使其回傳NULL,而不是僅在所有參數 ... ,The GREATEST and LEAST functions select the largest or smallest value from a list of any number of expressions. The expressions must all be convertible to a ... ,Although COALESCE , GREATEST , and LEAST are syntactically similar to functions, they are not ordinary functions, and thus cannot be used with explicit ... ,The GREATEST and LEAST functions select the largest or smallest value from a list of any number of expressions. The expressions must all be convertible to a ... ,The GREATEST and LEAST functions select the largest or smallest value from a list of any number of expressions. The expressions must all be convertible to a common data type, which will be the type of the result (see Section 10.5 for details). NULL values,2019年12月30日 — Examples. The query will return 5, as it is the largest of the values: postgres=# select greatest(1 ... ,2010年11月5日 — Here is where the least and greatest functions come in handy. PostgreSQL has had these functions for as far back as I can remember and is not ... ,This tutorial shows you how to use the PostgreSQL MAX function to get the maximum ... The GREATEST function returns the greatest value from a list of values. ,Cc: pgsql-sql <pgsql-sql(at)postgresql(dot)org>. Subject: Re: DIfference between max() and greatest() ? Date: 2008-09-12 16:47:39. Message-ID ... ,2003年7月2日 — Greg Stark wrote: > MAX and MIN are single-parameter aggregate functions. LEAST and GREATEST are > two-parameter (though in postgres ...

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postgres greatest 相關參考資料
9.18. 條件表示式- PostgreSQL 正體中文使用手冊

請注意,GREATEST 和LEAST 並不在SQL 標準中,但卻是一個常見的延伸功能。如果任何參數為NULL,則其他一些資料庫會使其回傳NULL,而不是僅在所有參數&nbsp;...

https://docs.postgresql.tw

Documentation: 11: 9.17. Conditional Expressions - PostgreSQL

The GREATEST and LEAST functions select the largest or smallest value from a list of any number of expressions. The expressions must all be convertible to a&nbsp;...

https://www.postgresql.org

Documentation: 12: 9.17. Conditional Expressions - PostgreSQL

Although COALESCE , GREATEST , and LEAST are syntactically similar to functions, they are not ordinary functions, and thus cannot be used with explicit&nbsp;...

https://www.postgresql.org

Documentation: 8.4: Conditional Expressions - PostgreSQL

The GREATEST and LEAST functions select the largest or smallest value from a list of any number of expressions. The expressions must all be convertible to a&nbsp;...

https://www.postgresql.org

Documentation: 9.5: Conditional Expressions - PostgreSQL

The GREATEST and LEAST functions select the largest or smallest value from a list of any number of expressions. The expressions must all be convertible to a common data type, which will be the type of...

https://www.postgresql.org

Examples of using GREATEST and LEAST functions in ...

2019年12月30日 — Examples. The query will return 5, as it is the largest of the values: postgres=# select greatest(1&nbsp;...

https://www.enterprisedb.com

greatest and least - oldies but goodies - Postgres OnLine ...

2010年11月5日 — Here is where the least and greatest functions come in handy. PostgreSQL has had these functions for as far back as I can remember and is not&nbsp;...

https://www.postgresonline.com

PostgreSQL MAX Function: Get Maximum Value in a Set

This tutorial shows you how to use the PostgreSQL MAX function to get the maximum ... The GREATEST function returns the greatest value from a list of values.

https://www.postgresqltutorial

Re: DIfference between max() and greatest() - PostgreSQL

Cc: pgsql-sql &lt;pgsql-sql(at)postgresql(dot)org&gt;. Subject: Re: DIfference between max() and greatest() ? Date: 2008-09-12 16:47:39. Message-ID&nbsp;...

https://www.postgresql.org

Re: LEAST and GREATEST functions? - PostgreSQL

2003年7月2日 — Greg Stark wrote: &gt; MAX and MIN are single-parameter aggregate functions. LEAST and GREATEST are &gt; two-parameter (though in postgres&nbsp;...

https://www.postgresql.org