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 ...

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I have a need to handle errors in SQL scripts that i'm working with.<BR><BR>Frequently these errors contain syntax problems and other things like create/drop constraints, not exist..

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 ...

This section describes how to retrieve DBMS data by using the statements and components of the SQL Procedure Pass-Through Facility to access DBMS data. The Pass-Through Facility uses the SAS/ACCESS ...

When the interface view engine reads data from a CA-OpenIngres table or view, an SQL SELECT statement is issued to place a shared lock on the table. (A shared lock enables more than one user to access ...

The beauty and joy of a relational database is the concept of relational closure—everything is a table. Beyond the eponymous table, query results are also “tables.” Any query serves as a table to be ...