Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

I hope this is the right place for this type of question. I apologize for the question length but to try and be complete I'll include a bit of background.<BR><BR>I am currently working on a project ...

My problem is all attempts to exclude data listed in the info table have met w/ failure. My problem is further complicated as it takes almost 2 hours to complete a search (if it doesn't time out first ...

SQL is neither the fastest nor the most elegant way to talk to databases, but it is the best way we have. Here’s why Today, Structured Query Language is the standard means of manipulating and querying ...

To update the data, you can specify view descriptors in the PROC SQL INSERT, DELETE, and UPDATE statements. Here is a summary of these PROC SQL statements: DELETE deletes records from a CA-DATACOM/DB ...

Do you want to find out how to avoid duplicates in the results of a SQL SELECT query? This article will show you how. Simply use the DISTINCT clause and between the SELECT clause and the fields.

To update the data, you can specify view descriptors in the PROC SQL DELETE, INSERT, and UPDATE statements. You must have access to the data through appropriate ADABAS and/or NATURAL security options ...

Assuring optimal performance of database applications starts with coding properly formulated SQL. Poorly written SQL and application code is the cause of most performance problems. As much as 75% of ...