About: From (SQL)

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The SQL From clause is the source of a rowset to be operated upon in a Data Manipulation Language (DML) statement. From clauses are very common, and will provide the rowset to be exposed through a Select statement, the source of values in an Update statement, and the target rows to be deleted in a Delete statement. FROM is an SQL reserved word in the SQL standard. The FROM clause is used in conjunction with SQL statements, and takes the following general form: SQL-DML-Statement FROM table_name WHERE predicate

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  • Die FROM-Klausel in der Datenbanksprache SQL definiert die Verwendung einer oder mehrerer Tabellen in einer Abfrage. Als reserviertes Wort im SQL-Standard lautet die allgemeine Form einer Abfrage: SELECT Spaltenname FROM Tabellenname [WHERE Bedingung] Die FROM-Klausel gibt die Tabellen für zu löschende Zeilen innerhalb von Delete-Anweisungen an und definiert die Tabellen für Abfragen in Unterabfragen (Subqueries) von Update-Anweisungen. Tabellen, Sichten (Views) oder aber auch Informationsschemata (allgemeine Datenbankinformationen) bilden die Grundlage für die FROM-Klausel. (de)
  • The SQL From clause is the source of a rowset to be operated upon in a Data Manipulation Language (DML) statement. From clauses are very common, and will provide the rowset to be exposed through a Select statement, the source of values in an Update statement, and the target rows to be deleted in a Delete statement. FROM is an SQL reserved word in the SQL standard. The FROM clause is used in conjunction with SQL statements, and takes the following general form: SQL-DML-Statement FROM table_name WHERE predicate The From clause can generally be anything that returns a rowset, a table, view, function, or system-provided information like the Information Schema, which is typically running proprietary commands and returning the information in a table form. (en)
  • Een FROM-clausule in SQL wordt gebruikt voor een DML-statement. Een FROM-clausule is een veelgebruikte instructie binnen een SELECT, UPDATE of DELETE-opdracht. (nl)
  • A cláusula SQL From é a fonte de um conjunto de linhas a ser operado em uma instrução DML (Data Manipulation Language) . Em uma instrução Select, se especifica as fontes dos dados através da cláusula From. Na cláusula From também pode haver uma operação com a cláusula Join fazendo que haja uma combinação de dados de duas ou mais fontes diferentes (sejam elas dados, tabelas ou tabelas e consultas). From é uma palavra reservada no padrão SQL que não deve ser utilizada para nomear bancos de dados, tabelas, colunas ou quaisquer outros objetos de banco de dados. A cláusula From é usada em conjunto com as instruções SQL, onde a mesma deve assumir a forma padrão: Instrução SQL-DMLFROM nome_tabela A cláusula From pode geralmente ser qualquer coisa que retorne um conjunto de linhas, uma tabela, visualização, função ou informações fornecidas pelo sistema como o Esquema de Informações, que normalmente executa comandos proprietários e retorna as informações em forma de tabela. A cláusula Where permite a filtragem de elementos nos resultados das consultas. (pt)
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  • Die FROM-Klausel in der Datenbanksprache SQL definiert die Verwendung einer oder mehrerer Tabellen in einer Abfrage. Als reserviertes Wort im SQL-Standard lautet die allgemeine Form einer Abfrage: SELECT Spaltenname FROM Tabellenname [WHERE Bedingung] Die FROM-Klausel gibt die Tabellen für zu löschende Zeilen innerhalb von Delete-Anweisungen an und definiert die Tabellen für Abfragen in Unterabfragen (Subqueries) von Update-Anweisungen. Tabellen, Sichten (Views) oder aber auch Informationsschemata (allgemeine Datenbankinformationen) bilden die Grundlage für die FROM-Klausel. (de)
  • Een FROM-clausule in SQL wordt gebruikt voor een DML-statement. Een FROM-clausule is een veelgebruikte instructie binnen een SELECT, UPDATE of DELETE-opdracht. (nl)
  • The SQL From clause is the source of a rowset to be operated upon in a Data Manipulation Language (DML) statement. From clauses are very common, and will provide the rowset to be exposed through a Select statement, the source of values in an Update statement, and the target rows to be deleted in a Delete statement. FROM is an SQL reserved word in the SQL standard. The FROM clause is used in conjunction with SQL statements, and takes the following general form: SQL-DML-Statement FROM table_name WHERE predicate (en)
  • A cláusula SQL From é a fonte de um conjunto de linhas a ser operado em uma instrução DML (Data Manipulation Language) . Em uma instrução Select, se especifica as fontes dos dados através da cláusula From. Na cláusula From também pode haver uma operação com a cláusula Join fazendo que haja uma combinação de dados de duas ou mais fontes diferentes (sejam elas dados, tabelas ou tabelas e consultas). From é uma palavra reservada no padrão SQL que não deve ser utilizada para nomear bancos de dados, tabelas, colunas ou quaisquer outros objetos de banco de dados. Instrução SQL-DMLFROM nome_tabela (pt)
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  • From (SQL) (de)
  • From (SQL) (en)
  • From (SQL) (nl)
  • From (SQL) (pt)
  • From (SQL) (uk)
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