数据库问题

What is the simplest way to define a local variable in Oracle?(在 Oracle 中定义局部变量的最简单方法是什么?)...

Print Record fields in PL/SQL(在 PL/SQL 中打印记录字段)...

LESS THAN OR EQUAL TO IN Oracle SQL(小于或等于 Oracle SQL)...

PL/SQL query IN comma deliminated string(PL/SQL 查询 IN 逗号分隔的字符串)...

Oracle Error ORA-06512(Oracle 错误 ORA-06512)...

Select into a temporary table in Oracle(选择到Oracle中的临时表)...

Why SUM(null) is not 0 in Oracle?(为什么 SUM(null) 在 Oracle 中不为 0?)...

ORA-01779: cannot modify a column which maps to a non key-preserved table(ORA-01779: 无法修改映射到非键保留表的列)...

Why can#39;t I use SELECT ... FOR UPDATE with aggregate functions?(为什么我不能将 SELECT ... FOR UPDATE 与聚合函数一起使用?)...

How to return rows from a declare/begin/end block in Oracle?(如何从 Oracle 中的声明/开始/结束块返回行?)...

What is the difference between USER() and SYS_CONTEXT(#39;USERENV#39;,#39;CURRENT_USER#39;)?(USER() 和 SYS_CONTEXT(USERENV,CURRENT_USER) 有什么区别?)...

Matching Oracle duplicate column values using Soundex, Jaro Winkler and Edit Distance (UTL_MATCH)(使用 Soundex、Jaro Winkler 和 Edit Distance (UTL_MATCH) 匹配 Oracle 重复列值)...