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 ...

What’s your average success rate of getting a SQL statement right on the first try? In best case, you botched a simple statement without side effects and just have to try again with correct s… ...

Occasionally you might want to submit SQL statements that are not queries, such as statements that drop tables or create indexes. These non-query, non-SELECT statements do not produce output. You can ...

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.

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.

Prepared statements avoid the process of compiling, parsing and running a stored procedure or inline SQL statement in your code. The PHP prepared statement function speeds up the application ...

Blind SQL injections are also known as inferential SQL injections, because information is gained by inference. A classic example of a SQL injection attack code involves manipulating username and ...