PostgreSQL record

相關問題 & 資訊整理

PostgreSQL record

columnname%TYPE; arow RECORD;. The general syntax of a variable declaration is: name [ CONSTANT ] type [ COLLATE collation_name ] ... ,columnname%TYPE; arow RECORD;. The general syntax of a variable declaration is: name [ CONSTANT ] type [ COLLATE collation_name ] ... ,columnname%TYPE; arow RECORD;. The general syntax of a variable declaration is: name [ CONSTANT ] type [ COLLATE collation_name ] ... ,columnname%TYPE; arow RECORD;. The general syntax of a variable declaration is: name [ CONSTANT ] type [ NOT NULL ] [ DEFAULT | ... ,A composite type represents the structure of a row or record; it is essentially just a list of field names and their data types. PostgreSQL allows composite ... ,PostgreSQL provides a “type” called the record that is similar to the row-type. ... A record variable is similar to a row-type variable. It can hold only one row ... ,2021年2月1日 — PostgreSQL uses record type variables which simply act as placeholders for rows of a result set, similar to a row type variable. ,2020年11月2日 — 以下示例用到的测试表drop table if exists test;create table test ( id bigserial primary key, name varchar(20), age int);delete from test ...,Postgresql 的複合資料型態英文是Composite Types, 有些時候會用Row Type 或是Record. 定義以後,可以讓多個Table 都使用,這對系統開發來說,善用會有不錯的效率提升. ,In that case, you can return a setof record. This tells PostgreSQL that you want to the function to return an composite type but that you're going to tell it ...

相關軟體 PostgreSQL (64-bit) 資訊

PostgreSQL (64-bit)
PostgreSQL 64 位是一個功能強大的開源對象關係數據庫系統。它擁有超過 15 年的積極開發和經過驗證的架構,在可靠性,數據完整性和正確性方面贏得了良好聲譽。它運行在所有主要的操作系統上,包括 Linux,UNIX(AIX,BSD,HP-UX,SGI IRIX,Mac OS X,Solaris,Tru64)和 Windows。  PostgreSQL 64 位是一個功能強大的對象... PostgreSQL (64-bit) 軟體介紹

PostgreSQL record 相關參考資料
Documentation: 10: 42.3. Declarations - PostgreSQL

columnname%TYPE; arow RECORD;. The general syntax of a variable declaration is: name [ CONSTANT ] type [ COLLATE collation_name ] ...

https://www.postgresql.org

Documentation: 11: 43.3. Declarations - PostgreSQL

columnname%TYPE; arow RECORD;. The general syntax of a variable declaration is: name [ CONSTANT ] type [ COLLATE collation_name ] ...

https://www.postgresql.org

Documentation: 13: 42.3. Declarations - PostgreSQL

columnname%TYPE; arow RECORD;. The general syntax of a variable declaration is: name [ CONSTANT ] type [ COLLATE collation_name ] ...

https://www.postgresql.org

Documentation: 9.0: Declarations - PostgreSQL

columnname%TYPE; arow RECORD;. The general syntax of a variable declaration is: name [ CONSTANT ] type [ NOT NULL ] [ DEFAULT | ...

https://www.postgresql.org

Documentation: 9.4: Composite Types - PostgreSQL

A composite type represents the structure of a row or record; it is essentially just a list of field names and their data types. PostgreSQL allows composite ...

https://www.postgresql.org

PLpgSQL Record Types Explained Clearly By Examples

PostgreSQL provides a “type” called the record that is similar to the row-type. ... A record variable is similar to a row-type variable. It can hold only one row ...

https://www.postgresqltutorial

PostgreSQL - Record type variable - GeeksforGeeks

2021年2月1日 — PostgreSQL uses record type variables which simply act as placeholders for rows of a result set, similar to a row type variable.

https://www.geeksforgeeks.org

PostgreSQL record的使用存储过程保存一行数据的变量

2020年11月2日 — 以下示例用到的测试表drop table if exists test;create table test ( id bigserial primary key, name varchar(20), age int);delete from test ...

https://blog.csdn.net

Postgresql 的複合資料型態 - iT 邦幫忙

Postgresql 的複合資料型態英文是Composite Types, 有些時候會用Row Type 或是Record. 定義以後,可以讓多個Table 都使用,這對系統開發來說,善用會有不錯的效率提升.

https://ithelp.ithome.com.tw

Return more than one row of data from PLpgSQL functions

In that case, you can return a setof record. This tells PostgreSQL that you want to the function to return an composite type but that you're going to tell it ...

https://wiki.postgresql.org