SQL> 1. Check whether the given pizza type is available. If available display its SQL> unit price. If not, display “The pizza is not available / Invalid pizza type”.

Abstract: This paper focuses on the open-center multi-way valve used in loader buckets. To solve the problem of excessive flow force that leads to spool clamping in the reset process, joint ...

select count(DISTINCT A.cust_id) Customer_count, count(DISTINCT A.foracid) account_count, sum(net_revenue) revenue, to_char(as_of_date, 'yyyy') year from report.d ...

Research by researchers across three universities in Germany and Trend Micro has indicated that insecure code is being introduced into open-source and other software developments via code used in ...

We are excited to announce that a new update for the mssql extension for VS Code is now available on the VS Code Marketplace. Use the mssql extension to turn VS Code into a powerful editor of T-SQL ...

如果想在终端将每执行的一条SQL语句都打印出来需要设置SQL/PLUS的ECHO参数，那么ECHO参数该如何设置呢？本文我们就介绍这部分 ...

庞大的数据库有时复制起来成本比较大，而比较容易的解决方法就是导出SQL脚本。本文介绍Oracle导出SQL脚本的spool实现方法。 下面介绍Oracle导出SQL脚本的实现方法。本方法使用spool。 三个参数中，***个指定导出DDL定义的对象类型（此例中为表类型），第二个是 ...

export NLS_LANG="SIMPLIFIED CHINESE_CHINA.ZHS16GBK" 这个试过了，还是不行 我的ORACLE是utf8格式的字符集 如果我把 NLS_LANG声明成AMERICAN_AMERICA.utf8的话，这个shelll脚本就不能执行，会把下面的SELECT语句中的,变成全角的，致使sql语句报错，不知道该怎么处理了 ，大家有以前有没 ...