资讯
Are you still putting your data in plain, old spreadsheets? Excel 2013 makes it easy to link tables, create reports and more.
Excel possesses formidable database powers. Creating a relational database starts with a Master table that links it to subordinates, called (awkwardly) Slave, Child, or Detail tables. Before we dive ...
Here's how to create a pivot table in Excel to slice and dice your data, letting you perform in-depth analyses and spot important trends.
Database normalization is the cornerstone of database theory. Once a database is normalized, relationships between the data in multiple tables must be established. A hefty part of designing a ...
is the name for the constraint being specified. The first form of the CREATE TABLE statement creates tables that automatically map SQL data types to those supported by the SAS System. Use this form ...
The following example shows how to read DBMS data into SAS and create additional variables to perform calculations or subsetting operations on the data. This example creates the SAS data set ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果