+=== Query languageas ===
+
+ * '''SQL''': I've used it extensively and taught to students the
+ basics. The Database I know best is MySql, but I also have some
+ experience with MicrosoftAccess, SqlServer, OracleDatabase, PostgreSql
+ and others.
+
+=== Not Properly Languages ====
+
+ * '''regex''': Extended and Perl-compatible regular expressions.
+
+ * '''HTML''': Extensive knowledge of the W3C standards (HTML 4.01
+ and XHTML 1.1).
+
+ * '''CSS''': Incomplete knowledge of the W3C standard (CSS1 & CSS2).
+
+ * '''LaTeX''': Only superficial knowledge (I cannot create macros, etc.)
+
+ * '''make''': I can do wizardry with GNU Make macros, etc.
+
+
+=== Useless Languages ====
+
+ * '''awk'''
+ * '''sed'''
+ * '''REXX'''