Search results
Results from the WOW.Com Content Network
In SQL, the TRUNCATE TABLE statement is a Data Definition Language (DDL) operation that deletes all rows of a table without causing a triggered action. [1] The result of this operation quickly removes all data from a table , typically bypassing a number of integrity enforcing mechanisms.
Deleting all rows from a table can be very time-consuming. Some DBMS [clarification needed] offer a TRUNCATE TABLE command that works a lot quicker, as it only alters metadata and typically does not spend time enforcing constraints or firing triggers. DELETE only deletes the rows. For deleting a table entirely the DROP command can be used.
In the context of SQL, data definition or data description language (DDL) is a syntax for creating and modifying database objects such as tables, indices, and users. DDL statements are similar to a computer programming language for defining data structures , especially database schemas .
A query includes a list of columns to include in the final result, normally immediately following the SELECT keyword. An asterisk ("*") can be used to specify that the query should return all columns of the queried tables. SELECT is the most complex statement in SQL, with optional keywords and clauses that include:
SQL:2008 is the sixth revision of the ISO and ANSI standard for the SQL database query language. ... the TRUNCATE TABLE statement,
Heart disease and cardiovascular disease have almost the same meaning. However, heart disease specifically refers to conditions affecting the heart, while cardiovascular disease is a broader term ...
As for how exercise helps the brain, researchers hypothesize that it increases hippocampal volume, meaning it makes the part of your brain that deals with memory, learning, and decision making bigger.
Earlier this year, Bure talked about her bond with her "Full House" castmates, including John Stamos, Dave Coulier, Sweetin, Barber and the late Bob Saget. "We're all close friends.