问对较大字符串中的关键字进行模糊匹配- SASEN在计算机科学中，字符串模糊匹配（ fuzzy string matching）是一种近似地（而不是精确地）查找与模式匹配的字符串的技术。换句话说，字符串模糊匹配是一种搜索，即使用户拼错单词或只输入部分单词进行搜索，也能够找到匹配项。因此，它也被称为字符串近似匹配。
The SQL Procedure The SQL procedure has the following new features: q The PROC SQL statement now has a THREADS | NOTHREADS option. THREADS enables PROC SQL to take advantage of the new parallel processing capabilities in SAS when performing sorting operations. q The PROC SQL and RESET ...
Split Data into Multiple Datasets:The IF statement along with OUTPUT statement can be used to filter and output data into multiple datasets. Whereas, the WHERE statement does not allow to filter and send data to multiple datasets. The WHERE statement can be used in SAS procedures (PROC) to f...
I would appreciate any suggestions on the proc sql below. I have shortened the query but basically I have 4 instances of case statements in this query where the between date ranges are repeated and I would like to automate the dates in a way where they constantly change within a set parame...