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DROP TABLE IF EXISTS t1, t2;
CREATE TABLE t1 (
v0 VARBINARY(0) ,
v1 VARBINARY(1) ,
v64 VARBINARY(64) ,
v65000 VARBINARY(65000) ,
PRIMARY KEY (v64)
) ENGINE=rocksdb;
SHOW COLUMNS IN t1;
Field Type Null Key Default Extra
v0 varbinary(0) YES NULL
v1 varbinary(1) YES NULL
v64 varbinary(64) NO PRI NULL
v65000 varbinary(65000) YES NULL
CREATE TABLE t2 (v VARBINARY(65532) , PRIMARY KEY(v(255))) ENGINE=rocksdb;
SHOW COLUMNS IN t2;
Field Type Null Key Default Extra
v varbinary(65532) NO PRI NULL
INSERT INTO t1 (v0,v1,v64,v65000) VALUES ('','','','');
INSERT INTO t1 (v0,v1,v64,v65000) VALUES ('','y','Once there, double check that an article doesn\'t already exist','Here is a list of recommended books on MariaDB and MySQL. We\'ve provided links to Amazon.com here for convenience, but they can be found at many other bookstores, both online and off.
If you want to have your favorite MySQL / MariaDB book listed here, please leave a comment.
For developers who want to code on MariaDB or MySQL
* Understanding MySQL Internals by Sasha Pachev, former MySQL developer at MySQL AB.
o This is the only book we know about that describes the internals of MariaDB / MySQL. A must have for anyone who wants to understand and develop on MariaDB!
o Not all topics are covered and some parts are slightly outdated, but still the best book on this topic.
* MySQL 5.1 Plugin Development by Sergei Golubchik and Andrew Hutchings
o A must read for anyone wanting to write a plugin for MariaDB, written by the Sergei who designed the plugin interface for MySQL and MariaDB!
For MariaDB / MySQL end users
* MariaDB Crash Course by Ben Forta
o First MariaDB book!
o For people who want to learn SQL and the basics of MariaDB.
o Now shipping. Purchase at Amazon.com or your favorite bookseller.
* SQL-99 Complete, Really by Peter Gulutzan & Trudy Pelzer.
o Everything you wanted to know about the SQL 99 standard. Excellent reference book!
o Free to read in the Knowledgebase!
* MySQL (4th Edition) by Paul DuBois
o The \'default\' book to read if you wont to learn to use MySQL / MariaDB.
* MySQL Cookbook by Paul DuBois
o A lot of examples of how to use MySQL. As with all of Paul\'s books, it\'s worth its weight in gold and even enjoyable reading for such a \'dry\' subject.
* High Performance MySQL, Second Edition, By Baron Schwartz, Peter Zaitsev, Vadim Tkachenko, Jeremy D. Zawodny, Arjen Lentz, Derek J. Balling, et al.
o \"High Performance MySQL is the definitive guide to building fast, reliable systems with MySQL. Written by noted experts with years of real-world experience building very large systems, this book covers every aspect of MySQL performance in detail, and focuses on robustness, security, and data integrity. Learn advanced techniques in depth so you can bring out MySQL\'s full power.\" (From the book description at O\'Reilly)
* MySQL Admin Cookbook
o A quick step-by-step guide for MySQL users and database administrators to tackle real-world challenges with MySQL configuration and administration
* MySQL 5.0 Certification Study Guide, By Paul DuBois, Stefan Hinz, Carsten Pedersen
o This is the official guide to cover the passing of the two MySQL Certification examinations. It is valid till version 5.0 of the server, so while it misses all the features available in MySQL 5.1 and greater (including MariaDB 5.1 and greater), it provides a good basic understanding of MySQL for the end-user. ');
SELECT HEX(v0), HEX(v1), HEX(v64), HEX(v65000) FROM t1;
HEX(v0) HEX(v1) HEX(v64) HEX(v65000)
79 4F6E63652074686572652C20646F75626C6520636865636B207468617420616E2061727469636C6520646F65736E277420616C7265616479206578697374 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INSERT INTO t1 (v0,v1,v64,v65000) VALUES ('y', 'yy', REPEAT('c',65), REPEAT('abcdefghi ',6501));
Warnings:
Warning 1265 Data truncated for column 'v0' at row 1
Warning 1265 Data truncated for column 'v1' at row 1
Warning 1265 Data truncated for column 'v64' at row 1
Warning 1265 Data truncated for column 'v65000' at row 1
INSERT INTO t1 (v0,v1,v64,v65000) SELECT v65000, v65000, CONCAT('a',v65000), CONCAT(v65000,v1) FROM t1;
Warnings:
Warning 1265 Data truncated for column 'v0' at row 5
Warning 1265 Data truncated for column 'v1' at row 5
Warning 1265 Data truncated for column 'v64' at row 5
Warning 1265 Data truncated for column 'v0' at row 6
Warning 1265 Data truncated for column 'v1' at row 6
Warning 1265 Data truncated for column 'v64' at row 6
Warning 1265 Data truncated for column 'v65000' at row 6
SELECT HEX(v0), HEX(v1), HEX(v64), LENGTH(HEX(v65000)) FROM t1;
HEX(v0) HEX(v1) HEX(v64) LENGTH(HEX(v65000))
0
61 0
48 61486572652069732061206C697374206F66207265636F6D6D656E64656420626F6F6B73206F6E204D61726961444220616E64204D7953514C2E205765277665 5932
61 61616263646566676869206162636465666768692061626364656667686920616263646566676869206162636465666768692061626364656667686920616263 130000
79 4F6E63652074686572652C20646F75626C6520636865636B207468617420616E2061727469636C6520646F65736E277420616C7265616479206578697374 5930
79 63636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363 130000
ALTER TABLE t1 ADD COLUMN v65536 VARBINARY(65536) ;
Warnings:
Note 1246 Converting column 'v65536' from VARBINARY to BLOB
SHOW COLUMNS IN t1;
Field Type Null Key Default Extra
v0 varbinary(0) YES NULL
v1 varbinary(1) YES NULL
v64 varbinary(64) NO PRI NULL
v65000 varbinary(65000) YES NULL
v65536 mediumblob YES NULL
DROP TABLE t1, t2;
|
