For example, add "catalog1" to catalog Id field.
例如，添加“catalog1”到catalog Id字段。
Therefore, the Catalog Id field value added in the form is valid.
因此，表单中添加的Catalog Id字段值是有效的。
If the fetch function returns TRUE, the catalog id value is defined in the catalog table.
如果fetch函数返回TRUE，则catalog表中已经定义了这个catalog id值。
In order to uniquely identify each row we would need the catalog id number (catalog_num), as well.
为了惟一地标识每一行，我们将需要目录id号(catalog_num)。
Prepare an SQL-prepared statement to select a row of data for the catalog id value input in the form.
准备一个SQL预置语句，该sql语句从catalog表中选择与表单中输入的catalog id值对应的一行。
If the Catalog id is not already defined in the database, a message "Catalog id is Valid" is displayed.
如果数据库中还没有定义Catalog id，则显示消息“Catalog idis Valid”。
If the catalog id field value is valid, a new catalog entry may be created by adding values to the other fields of the form.
如果Catalog Id字段值有效，则为表单的其他字段添加值，以创建一个新的类别条目。
If fetch returns FALSE, the result set is empty, thus a catalog table row for the catalog id value is not defined in the database table.
如果fetch返回FALSE，则结果集为空，表明数据库表中还没有为catalog id值定义一个catalog表行。
Next, use the PHP PDO extension to connect with the DB2 database and determine if a catalog table row is defined for the catalog id value input in the input form.
接下来，使用PHPPDO扩展连接到DB 2数据库，并判断catalog表中是否为输入表单中输入的catalog id值定义了一行。
If the catalog id field previously used to create a catalog entry, "catalog3" in the example, a message, "catalog id is not Valid", gets displayed, as shown in Figure 6.
如果输入的catalog id字段值之前曾被用于创建类别条目，例如这个例子中的“catalog3”，则显示消息“catalog idisnotValid”，如图6所示。
Therefore, the Catalog Id value added in the input form is not valid. If the fetch() method returns a row, set the innerHTML of the validationMessage div to "Catalog Id is not Valid"
因此，输入表单中添加的Catalog Id值是无效的。
Each product document has a unique product ID, as well as other vital information that is commonly used when browsing the catalog, including category, brand, and name.
每个产品文档都有一个惟一产品ID以及浏览目录时常常使用的其他重要信息，包括种类、品牌和名称。
To do this, you first need to determine the tablespace ID and table ID of the table by executing a SELECT statement on the SYSCAT.TABLES catalog view, as shown in Listing 8.
为此，您首先需要在SYSCAT . TABLES目录视图上执行select语句来确定表空间id和表id，如清单8所示。
This method takes a String representation of a catalog item's ID, adds that item to the Cart, and updates the price total.
这个方法接受目录item的ID的String表示，把这个商品添加到Cart中并更新总价。
To get the name of the index with ID 3, query the SYSCAT.INDEXES catalog view using a SELECT statement, as shown in Listing 12.
要获得ID3索引的名称，请使用SELECT语句查询 SYSCAT.INDEXES目录视图，如清单 12 所示。
Provide an own message catalog containing the required message id.
提供包含所需消息id的自己的消息目录。
After you have selected the customer and supplier ID that you want to use, you can fetch the catalog for the selected supplier by clicking the "Get catalog" button.
在您选择了想使用的顾客和供应商的标识之后，您可以通过单击“GetCatalog”按钮获得被选中供应商的目录。
After you have selected the customer and supplier ID that you want to use, you can fetch the catalog for the selected supplier by clicking the "Get catalog" button.
在您选择了想使用的顾客和供应商的标识之后，您可以通过单击“GetCatalog”按钮获得被选中供应商的目录。
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