Make sure that you use the right keys in the WHERE clause, which should preferrably be either the primary key or a unique index.

The "name" column will be a CHAR ( 30), set to NOT NULL, and have a unique index on it.

“name”列的类型是CHAR（30），不允许为空，而且根据此列建立了一个索引。

互联网摘选

Column '% s' cannot be excluded from the vertical partitioning because there is a unique index accessing this column.

不能从垂直分区操作中排除列''%1！''，因为有一个唯一索引正在访问该列。

互联网摘选

Also, before setting up replication in DB2, you will want to ensure that every database table has a primary key or unique index.

此外，在DB2中创建复制之前，您会希望保证每一个数据库表都具有一个主键或惟一索引。

互联网摘选

An index specification that defines a unique index also conveys information about the uniqueness of the index columns to the federated system.

定义惟一索引的索引规范还将关于索引列惟一性的信息传递给联邦系统。

互联网摘选

You can't create a unique index on this field because it contains duplicate values. Do you want to keep the existing index?

不能在该字段上创建唯一索引，因为字段中含有重复值。是否还用现有的索引？

互联网摘选

Newly added not nullable column ( s) are involved in the primary key or unique index ( constraint).

新添加的不可空列包含在主键或唯一索引（约束）中。

互联网摘选

In other words, all columns that are part of the partitioning key must be present in the primary key or unique index definition.

换句话说，作为分区键一部分的所有列都必须出现在主键或惟一索引定义中。

互联网摘选

Single-row update/ delete affected more than one row of a linked table. Unique index contains duplicate values

单行更新或删除影响链接表中的多行。唯一的索引包含重复数值

互联网摘选

The table has a unique index, indx_parent_col1.

表格有惟一的索引indx parent col1。

互联网摘选

On a federated system, unique index information might be required to perform an UPDATE/ DELETE operation for some data sources.

在一个联邦系统上，为了为某些数据源执行UPDATE/DELETE操作，需要惟一的索引信息。

互联网摘选

The view used in the cursor statement does not include all the unique index columns of the underlying tables.

游标语句中使用的视图不包括基础表中的所有唯一索引列。

互联网摘选

The primary key and any unique index of the table must be a superset of the associated partitioning key.

表的主键和所有惟一索引都必须是相关分区键的超集。

互联网摘选

You tried to enter a duplicate value in a field that is a primary key or that has a unique index.

试图在主键字段或含有唯一索引的字段中输入重复值。

互联网摘选

Thus, species diversity could not be regarded as a unique index for measuring the effect of vegetation ecological restoration.

因此，物种多样性并非是衡量植被生态恢复效果的唯一指标。

互联网摘选

When a primary key constraint is defined, the federated system automatically creates a unique index specification.

当定义一个主键约束时，联邦系统自动创建一个惟一的索引规范。

互联网摘选

One of the tables involved in the cursor statement does not have a unique index.

游标语句涉及到的表中有一个没有唯一索引。

互联网摘选

Attached table is not updatable because it has no unique index.

由于附加表没有唯一索引，因此是不可更新的。

互联网摘选

The unique index for touch.

触摸的唯一索引。

互联网摘选

Duplicate rows found in% s. Unique index not created.

在%1！中发现重复行。未创建唯一索引。

互联网摘选

Null value is not allowed in unique index or primary key.

唯一性索引或主键中不允许有空值。

互联网摘选