不可否认,并非从应用程序生成的每个sql语句都将按上述方式静态地执行。
Admittedly, not every SQL statement generated from your application will be executed statically in the way described above.
优化器怎样决定如何以它的方式执行您可以发送的大量sql语句?
How does the optimizer decide how to execute the vast array of SQL statements that you can send its way?
MySQL允许您以非交互、批处理的方式执行语句。
MySQL allows you to execute statements in the non-interactive, batch mode.
Cobertura通过用额外的语句记录在执行测试包时,哪些行被测试到、哪些行没有被测试到,通过这种方式来度量字节码,以便对测试进行监视。
Cobertura monitors tests by instrumenting the bytecode with extra statements to log which lines are and are not being reached as the test suite executes.
由于您只对查看数据感兴趣,因此希望以匿名方式执行,在调用之后立即发出一条回滚语句来隐藏您的踪迹,如清单7所示。
Because you are only interested in viewing the data, you would prefer to do so anonymously, issue a rollback statement immediately after the call to cover your tracks, as shown in Listing 7.
该查询可以通过DB2命令行界面或图形查询工具以交互方式执行,是一个标准的SQL语句,调用了两个XML 特定的函数。
This query, which can be executed interactively through a DB2 command-line interface or graphical query tool, is a standard SQL statement that invokes two XML-specific functions.
第一种方式是为SIGBUS信号设置信号处理程序,并在处理程序中简单的执行return语句。
The first way is to install a signal handler for the SIGBUS signal, and then simply call return in the handler.
但是,最常见的情况是,当SQL性能问题发生时,往往不能影响应用程序执行sql语句的方式。
But most often SQL performance issues arise in situations in which you cannot influence how an application executes SQL statements, as in any of the following situations.
Python解释器在其最简单的级别,以类似的方式操作,即从程序的顶端开始,然后一行一行地顺序执行程序语句。
The Python interpreter, at its simplest level, operates in a similar manner, starting at the top of a program and sequentially executing program statements in a linear fashion.
case语句的工作方式与传统编程语言中的对应结构相似。它将其参数与列表中的每个模式比较;当找到匹配项时,则执行对应的代码。
The case statement works like its counterparts in traditional programming languages: It compares its argument to each pattern in a list; when a match is found, the corresponding code executes.
case语句的工作方式与传统编程语言中的对应结构相似。它将其参数与列表中的每个模式比较;当找到匹配项时,则执行对应的代码。
The case statement works like its counterparts in traditional programming languages: It compares its argument to each pattern in a list; when a match is found, the corresponding code executes.
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