SELECT * FROM ( SELECT column1 AS alias_column FROM table_name ) AS subquery_alias WHERE subquery_alias.alias_column = 'some_value'; 以下是使用CTE的示例: 代码语言:sql 复制 WITH cte_alias AS ( SELECT column1 AS alias_column FROM table_name ) SELECT * FROM cte_alias WHERE cte_alias.al...
Let's look at an example of how to alias a table name in Oracle/PLSQL. For example: SELECT p.product_id, p.product_name, categories.category_name FROM products p INNER JOIN categories ON p.category_id = categories.category_id ORDER BY p.product_name ASC, categories.category_name ASC; ...
SELECT first_name "First Name", last_name "Family Name" FROM employees;Code language: SQL (Structured Query Language) (sql) In this example, we used the column aliases "First Name" and "Family Name" enclosed in quotation marks. If you remove the quotation marks, Oracle will issue the fol...
Oracle Database Cloud Exadata Service - Version N/A and laterInformation in this document applies to any platform.SymptomsTrying to rename a datafile from asm alias name to fully qualified filename (OMF) throws error ORA-01523ChangesCause
So zeigen Sie eine Liste der Positionsaliasnamen für eine Block Storage-Anwendung an: Klicken Sie in derSystemansichtauf Klicken Sie in der administrativen Gesamtübersicht mit der rechten Maustaste auf eine Block Storage-Anwendung, und wählen SiePositionsaliasaus. ...
In an Oracle Automatic Storage Management (Oracle ASM) instance,V$ASM_ALIASdisplays one row for every alias present in every disk group mounted by the Oracle ASM instance. ColumnDatatypeDescription NAME VARCHAR2(70) Oracle ASM alias or alias directory name ...
A nickname is not an alternative name for a data source object in the same way that an alias is an alternative name. A nickname is the pointer by which the federated server references the object. Nicknames are typically defined with the ...
FOR SEQUENCE sequence-name, 或 alias-name2 标识为其定义了 alias-name 的序列或序列别名。 如果提供了另一个别名 (alias-name2) ,那么它不能与正在定义的新 alias-name (其标准格式) 相同。 sequence-name 不得是系统为标识列生成的序列 (SQLSTATE 428FB)。 注意 关键字 PUBLIC 用于创建公用别名 (也称...
Oracle Data Integrator - Version 12.2.1.2.6 to 12.2.1.3.0 [Release 12c] Information in this document applies to any platform. Symptoms After upgrading an Oracle Data Integrator (ODI) 11g Integration Interface to 12c mapping, the generated code contains an incorrect reference to <TABLE ALIAS>. ...
running a query that defines aWITH tblmatching the existingschemaor an existingtablename. Raw WITH < existing schema or table name collision > AS (... server.logentries similar to Raw WARN [org.teiid.PROCESSOR] (Worker1_QueryProcessorQueue20) TEIID30020 Processing exception for request JURZQH4...