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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.
Based on the evidence obtained by this Subcommittee, numerous federal laws were likely broken by Liz Cheney, the former Vice Chair of the January 6 Select Committee, and these violations should be ...
TikTok and parent company ByteDance filed a request Dec. 9 to pause legislation that could ban the app, until the Supreme Court has a chance to weigh in.
It is safe to return to the area," city officials said. PHOTO: A handout shakemap made available by the United States Geological Survey (USGS) shows the location of a 7.0-magnitude earthquake ...
String functions are used in computer programming languages to manipulate a string or query information about a string (some do both).. Most programming languages that have a string datatype will have some string functions although there may be other low-level ways within each language to handle strings directly.
The list of top 10 baby names shouldn’t be all too surprising, the Health Department said, with most appearing on the list in the past few years.. Sofia, for example, crawled its way into the No ...