Using Data Step Merge And Proc Sql
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268-29: Introduction to PROC SQL - SAS
support.sas.com1 Paper 268-29 Introduction to Proc SQL Katie Minten Ronk, Systems Seminar Consultants, Madison, WI ABSTRACT PROC SQL is a powerful Base SAS Procedure that combines the functionality of DATA and PROC steps into a single step. PROC SQL can sort, summarize, subset, join (merge), and concatenate datasets, create new variables, and print the results
Merge with Caution: How to Avoid Common Problems When ...
www.sas.comcombine data from multiple datasets into a single dataset. This is most commonly performed by using the MERGE statement within a DATA step. While the merge seems like a relatively simple and straightforward process, there are many traps waiting to snare the unsuspecting programmer.
One-to-One, One-to-Many, and Many-to-Many Joins Using …
www.lexjansen.comUsing PROC SQL Kirk Paul Lafler, Software Intelligence Corporation Charu Shankar, SAS Institute Inc. Abstract A powerful and essential PROC SQL programming technique that all SAS® users should understand, and be comfortable performing, is the process of joining (or combining) two or more tables of data.
Proc SQL, the Data Step Killer
www.sas.comProc SQL •SQL is the de facto standard query language, widely used (beyond SAS even!) for retrieving and summarizing data •Proc SQL can summarize results in the same step as performing row level calculations without Proc SQL, summarizing requires a separate proc summary step, and often a pre-sort •Proc SQL can sort its results in the same ...