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Using a SELECT statement after the INSERT statement with a database-specific function that returns the generated primary key for the most recently inserted row. For example, LAST_INSERT_ID() for MySQL. Using a unique combination of elements from the original SQL INSERT in a subsequent SELECT statement.
If the last name is larger than 10 letters, using the SUBSTR function [9] we change the last_name column value to an abbreviation. CREATE OR REPLACE TRIGGER phone_book_insert BEFORE INSERT ON phone_book FOR EACH ROW WHEN ( LENGTH ( new . last_name ) > 10 ) BEGIN : new . last_name : = SUBSTR (: new . last_name , 0 , 1 ); END ;
SQL includes operators and functions for calculating values on stored values. SQL allows the use of expressions in the select list to project data, as in the following example, which returns a list of books that cost more than 100.00 with an additional sales_tax column containing a sales tax figure calculated at 6% of the price.
The last part of these words is related to popular brands (hint: each one is known for making a certain type of drink). Related: 300 Trivia Questions and Answers to Jumpstart Your Fun Game Night.
Garth Hudson, last surviving member of The Band, dies at 87: 'A musical genius' Entertainment. USA TODAY. Kim Kardashian posted a photo of Melania Trump at the inauguration. Then came the bac…
CodeIgniter's source code is maintained at GitHub, [12] and as of the preview version 3.0rc, is certified open source software licensed with the MIT License.Versions of CodeIgniter prior to 3.0.0 are licensed under a proprietary Apache/BSD-style open source license.
Shamsud-Din Jabbar used a rare explosive in New Orleans that has never before been used in a U.S. or European terrorist attack. A key question is how he learned of the explosive and managed to ...
MariaDB is intended to maintain high compatibility with MySQL, with exact matching with MySQL APIs and commands, allowing it in many cases to function as a drop-in replacement for MySQL. However, new features are diverging. [ 7 ]