Oracle9i offers some great tools to make it easy to view the execution plan and trace information for a SQL statement. Prior to Oracle8i, you had to create a plan table and execute special syntax ...

While checking SQL syntax itself is somewhat straightforward, [Joe]’s sql-lint tool will also check the semantics of it by looking up the actual database and performing sanity checks on it.

As we saw in the last article, the SQL SELECT statement has the widest variety of query options, which are used to control the way data is returned. These options come in the form of clauses ...

SQL injection has been a major security risk since the early days of the internet. Find out what's at risk, and how cybersecurity pros can defend their organizations.

The SQL you use in the SQL Editor window depends on the kind of Query Manager that you are using. If you have a SAS Query Manager, you use the SAS System's SQL procedure in the SQL Editor window. If ...

SQL Server 2016 provides new support for working with JSON objects. In a previous column, I discussed how to generate JSON from SQL queries.This column looks at the reverse process: accepting JSON ...

FROM statement using source data that's known to have flaws. Back to the OP - either filter out the bad records in the WHERE clause, or put a CASE statement in the UPDATE list. No need for a cursor.

If you use a PROC SQL view in the DESCRIBE VIEW statement that is based on or derived from another view, you may want to use the FEEDBACK option in the PROC SQL statement. This option displays in the ...