• pureQuery遵从参数占位符语法规则决定如何注释方法参数列表声明参数映射sql语句参数

    PureQuery follows the rules for parameter marker syntax to determine how SQL statement parameters are mapped from the declared parameters in the annotated method's parameter list.

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  • 现在,对于由于使用面值具有独特性多个语句使用参数把它们整合单一语句从而提高应用程序性能

    Now, multiple statements that had each been unique due to the use of literals will be consolidated into a single statement using parameters to improve application performance.

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  • 所有主要数据库接口都提供执行包含参数标记sql语句功能

    All major database interfaces offer the capability of executing SQL statements that contain parameter markers.

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  • sql语句中的参数占位符带注释方法声明参数之间可能存在一对一映射但是不一定如此。

    There can be, but there is not necessarily, a one-to-one mapping of parameter markers in the SQL statement to declared parameters in the annotated method.

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  • 如上所述sql语句中的参数标记使用可促进访问计划重用

    As the previous section described, parameter marker usage in SQL statements fosters access plan reuse.

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  • 提供预处理语句参数需要用引号括起来驱动程序处理这些

    The parameters to prepared statements don't need to be quoted; the driver handles it for you.

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  • 控制器导入语句定义了两个参数

    The controller defines two parameters along with the import statements.

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  • 这种LDSVSAM数据集最大尺寸间接取决于创建空间类型create语句指定参数

    The maximum size of such LDS VSAM datasets would depend indirectly upon the type of table space you create and the parameters you specify on the create statement.

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  • sql语句可能包含参数标记

    The SQL statements may contain parameter markers.

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  • 实现访问计划重用使用一个参数标记重写SQL语句如 清单3

    To enable access plan reuse, rewrite the SQL statement using a parameter marker, as shown in Listing 3.

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  • 利用这些函数PASSING 子句将参数SQL语句传递给这些函数。

    The parameter is passed to these functions from the SQL statement using the PASSING clause of these functions.

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  • 清单9显示了如何定义连接参数以便sql语句嵌套运行

    Listing 9 shows how to define the connection parameters so that the SQL statements run in-line.

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  • 但是许多打包应用程序使用具有参数标记动态sql语句因此这些参数标记的未知

    However, many packaged applications use dynamic SQL statements with parameter markers and therefore the values of these parameter markers are not known.

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  • 如果JDBC程序使用已经准备好的语句参数标志,并且如果数据库语句缓存中找到了它们的话,查询过程将处理地更快

    If your JDBC program USES prepared statements and parameter markers, queries are processed faster if they are found in the database statement cache.

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  • 用户可以使用CREATETYPEMAPPING语句覆盖过程参数默认类型映射

    The user can use the CREATE TYPE MAPPING statement to override the default type mapping for procedure parameters.

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  • 为了获得最佳性能,load语句指定SORTKEYS参数很重要

    It is also important to specify the SORTKEYS parameter in the LOAD statements for maximum performance.

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  • 构造sql语句之后,剩下步骤其他具有参数标记动态语句完全相同了。

    After we compose our SQL statement, all the other steps are the same as for any dynamic statement with parameter markers.

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  • 知道出现死锁应用程序中的sql语句涉及参数标记可以大大有助于解决这些问题

    Knowing the values of these parameter markers involved in the SQL statement for those applications whose statements are part of the deadlock can greatly help in resolving these issues.

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  • insert语句需要额外的参数

    Additional parameters to the INSERT statement would be needed.

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  • 验证数据:通过语句钩子可以在执行语句之前验证参数数据,从而应用程序约束检查数据验证提供机会

    Validate data: statement hooks let you validate parameter data before statement execution, providing the opportunity to do constraint check and data validation at the application level.

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  • 对于批量更新需要使用集合参数多次执行sql语句每次执行时使用不同参数

    For batch updates, a collection parameter is used vertically to execute an SQL statement more than once, with different parameter values each time.

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  • 语句集中器寻找参数之外完全相同sql语句

    The statement concentrator looks for SQL statements that look exactly the same except for their parameter values.

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  • 此外只要sql语句没有任何输入参数jdbc处理支持添加不同sql语句处理中。

    In addition, JDBC batching only supports adding different SQL statements to the batch as long as the SQL statements do not have any input parameters.

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  • 这种形式处理仅限于单个以及同一sql语句多个执行,前提是语句输入参数

    This form of batching is restricted to single tables and to multiple executions of the same SQL statement as long as the statement has input parameters.

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  • 应用程序变量绑定预备语句中的参数标记

    Bind application variables to parameter markers used in a prepared statement.

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  • 使用参数标记发出sql语句

    Issuing SQL statements with parameter markers.

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  • 这不包括那些对象定义,数组定义,var语句参数列表中的逗号分隔符

    This does not apply to the comma separator, which is used in object literals, array literals, var statements, and parameter lists.

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  • JDBC可调用语句中的命名参数

    Named parameters in a JDBC callable statement.

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  • 具有参数标记sql语句

    SQL statements with parameter markers.

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  • Data接口提供执行查询、执行SQLcall语句返回输出参数方法

    The data interface provides methods to execute queries, to execute SQL CALL statements, and to return their output parameters.

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