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Study with Quizlet and memorize flashcards containing terms like MySQL UPDATE Query, Syntax for MySQL UPDATE Query, Parameter: table_name and more.
Study with Quizlet and memorize flashcards containing terms like AS, UPDATE, DROP TABLE LEVEL1_CUSTOMER and more.
1 lut 2010 · How do I update a table and set different values upon the condition evaluating to True. For instance : UPDATE Table SET A = '1' IF A > 0 AND A < 1 SET A = '2' IF A > 1 AND A < 2 WHERE A IS NOT NULL;
Which SQL statement should Barney use to update the table so as to reflect this unknown value? a. ALTER ADDRESS_BOOK SET PHONE_NO = NULL WHERE (NAME = 'Lacey'); b. SELECT PHONE_NO FROM ADDRESS_BOOK WHERE (NAME = 'Lacey') SET NULL; c. UPDATE ADDRESS_BOOK SET PHONE_NO = 'NULL' WHERE (NAME = 'Lacey'); d.
This clause specifies a condition that can be evaluated as either true or false. Create the syntax to return the title, created and content fields from the table entries where the id=254. Create the syntax to return the id, name and billaddr fields from the table customers where the name is either Jones or Smith.
Study with Quizlet and memorize flashcards containing terms like 1. How do we retrieve information from a database?, 2. What can you do with MySQL?, 3. How is a query used? and more.
____, also known as RESTRICT, yields values for all rows found in a table that satisfy a given condition. SELECT A(n) ____ join links tables by selecting only the rows with common values in their common attribute(s).
