您可能应该只使用初始查询。但是，如果确实需要函数，则可以使用管道函数：
0 Oracle : How to use if then in a select statement 2 Oracle Select Statement in IF condition 1 IF-ELSE issue in Select Statement in Oracle 63 If statement in select (ORACLE) 2 If Condition in Oracle SQL 0 Oracle IF Statement 0 if and else in select query in sql 1 If i...
4 Oracle With Statement and Delete Together 5 Oracle View Ignoring External WHERE Clause 1 Best way to update list of rows in oracle database 0 Deadlock -- Way to make this better? 4 An UPDATE runs unexpectedly on MySQL 5.7 whereas it runs as expected on prior versions Hot Network...
The SQL-99 “WITH clause” is very confusing at first because the SQL statement does not begin with the word SELECT. Instead, we use the “WITH clause” to start our SQL query, defining the aggregations, which can then be named in the main query as if they were “real” tables: WITH...
If/then statement in Powershell Ignore open files when running compress-archive ignore warning in powershell IIS Remoting The data is invalid Impersonation and PSRemoting Impersonation inside PowerShell script Import a scheduled Task (XML) Import AD module Import Certificate into Cert:\CurrentUser\My...
http://www.itpub.net/thread-1585644-1-1.html 提到可以用MERGE: --wkc168 发表于 2012-3-2 13:28mergeintoc using (select*fromb) aon(c.g=a.h)whenmatchedthenupdatesetc.e=a.f http://stackoverflow.com/questions/5380559/update-statement-using-with-clause...
num = -1 * Math.abs(num); stmt = conn.prepareStatement(sql); stmt.setLong(1, num); //also tried setInt() stmt.execute(); The idea is to set the .nextval sequence for a given table back to an arbitrary number (but always more than minval). sql oracle11g prepared-statemen...
Oracle 12c中的with子句增强 1. 设置 创建测试表。 DROP TABLE test PURGE; CREATE TABLE test AS SELECT 1 AS id FROM dual CONNECT BY level <= 1000000; 2. WITH子句中的函数 WITH子句声明部分可用来定义函数,如下所示。 WITH FUNCTION with_function(p_id IN NUMBER) RETURN NUMBER IS ...
Oracle在9i中引入了with语句。with语句用来给查询语句中的子查询命名,随后就可以在查询语句的其他地方引用这个名称。 格式如下: WITH <alias_name> AS (subquery_ sql statement) SELECT <column_name_list> FROM <alias>; 3.解决方案 WITHTMP_TABAS(SELECTA.ORGCODE,(SELECTT.ORGNAMEFROMYLT_ORG_INFO TWHERET...
with 子句是在oracle 9i release 2 中引入的。with 子句又叫做子查询构造语句。可以用来给一个子查询块命名。 该查询块的检索结果会被oracle 保存在用户的临时表空间中,该命名块就像虚表或者内联视图一样。 语法 代码语言:javascript 复制 WITHsubquery_nameAS(the aggregationSQLstatement)SELECT(query naming subquery...