User defined exceptions, non Oracle related. Range of user defined exception codes. 3.5 Common error handling routine. Sample Message table Sample message routines 4. Utility packages 4.1 Simple Client/server Server SQL is a set oriented language and has very limited procedural capabilities even if a lot of tasks may be and should be solved using pure SQL. This operator is not ANSI SQL supported, however, most databases support it. The following are some more useful mathematical functions to be aware of since you might need them. These functions are not standard in the ANSI SQL-92 specs, therefore they may or may not be available on the specific RDBMS that you are using. It should be version and time stamped and comments can be done in C- or ADA- style and syntax. Short sample header information: / Title/File: S Version: 1.0 Description: This program is intended to be used for. Contents: 1 General about PL/SQL 2. Naming Conventions 2.1 Naming Summary. 2.2 Naming Packages 2.3 Naming Procedures and Functions 2.4 Naming Variables 2.5 PL/SQL source code File Names Source and code documentation 3. You may define both a longer functional name and an implementation name ( as in Oracle's Case Designer products ). The implementation name should use as few special characters as possible.
Use these tables for the exercises items_ordered customers Review Exercises. Select the item and per unit price for each item in the items_ordered table. Hint: Divide the price by the quantity.