SQL stands for ‘Structured Query Language’. This is basically a declarative language used for storing and retrieving data in a database. If you’ve heard of SQL, it’s probably in the context of MySQL, ...
The DICTIONARY tables component is specified in the FROM clause of a SELECT statement. DICTIONARY is a reserved libref for use only in PROC SQL. Data from DICTIONARY tables are generated at run time.
When it comes to improving the performance of database systems, there are nearly as many approaches as there are DBA (database administrator) teams. That might sound acceptable at first glance. But, ...