Multiple-column的意思|示意

Relational databases use Structured Query Language (SQL) to pull information from multiple tables and columns, but key-value stores are limited to operations on the key column.

关系数据库使用结构化查询语言(Structured Query Language, SQL)以便从多个表和列中提取信息，但是键值存储仅限于对键列的操作。

This section of the article shows how to create a data table whose columns have multiple controls within the column.

本文的该节向您展示了如何创建一个在列中有多个控件的数据表格。

Cast steel joints have been applied in the design of supports, end joints of battered column, multiple pipes intersected joints of truss, etc.

对节点进行了改进，支座、人字柱端节点、多管相贯桁架节点等部位采用了铸钢节点。

Users love having multiple account support and a single column view of tweets.

用户喜欢它对多帐户的支持和一栏式的消息阅览模式。

Traditionally, relational DBMSs stored XML data as a single column-row entity (such as CLOB, BLOB, or VARCHAR) or decomposed ("shred") the XML data into multiple columns.

通常，关系型 DBMS 将 XML 数据作为单个的列-行实体（例如 CLOB、BLOB 或 VARCHAR）进行存储，或将 XML 数据分解（“撕碎”）为多个列。

In the example in Listing 7, multiple computes have been performed for each break point on column SALARY.

在清单7的示例中，对列salary上的每个断点执行多个计算操作。