Updating multiple rows in mysql Chat adult fingers

Rated 3.84/5 based on 952 customer reviews

(This is because the order in which the rows are updated determines which rows are ignored.) Such statements produce a warning in the error log when using statement-based mode and are written to the binary log using the row-based format when using mode.(Bug #11758262, Bug #50439) See Section 17.1.2.3, “Determination of Safe and Unsafe Statements in Binary Logging”, for more information.Join them; it only takes a minute: Sign up I am trying to understand how to UPDATE multiple rows with different values and I just don't get it.

updating multiple rows in mysql-29

updating multiple rows in mysql-34

See Section 14.11.1.6, “Inno DB and FOREIGN KEY Constraints”. Records not matching the equijoin from table2 are marked with null.

Stack Exchange network consists of 171 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community.

bazz My answers are in one table (table_foobar), and does use a FK(question_id) to relate them to the questions table (table_questions).

r397 recommended to have the three rows in a normalized table, in first normal form. Now if there was a Member #1 Responses - Question #1: yes, 22, no, 34 - Question #2: no, 24, yes, 42 - Question #3: yes, 14, no, 42 Member #2 Responses - Question #1: no, 42, no, 55 - Question #2: no, 51, yes, 21 - Question #3: yes, 11, no, 14 etc., I see your concern and how you may recommend having only one answer for one question, which makes it so much easier to update SQL and PHP wise!

Leave a Reply