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Oracle 5.0 Reference Manual page 1235

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Chapter 14. Storage Engines

Table of Contents

14.1.1.

14.1.2. Space Needed for Keys ....................................................................................... 1222

14.1.3.

14.1.4.

14.2.1.

14.2.2.

14.2.3. Creating and Using

14.2.4. Adding, Removing, or Resizing

14.2.5. Backing Up and Recovering an

14.2.6. Moving an

14.2.8.

14.2.9.

14.2.10.

14.2.11.

14.2.12.

14.2.13. Limits on

14.3.1.

14.3.2.

14.5.1. Operating Systems Supported by

14.5.2. Installing

14.5.3.

14.5.4. Characteristics of

14.5.5. Restrictions on

14.5.6. Errors That May Occur When Using

14.7.1. Description of the

14.7.2. How to Use

14.7.3. Limitations of the

MySQL supports several storage engines that act as handlers for different table types. MySQL storage

engines include both those that handle transaction-safe tables and those that handle nontransaction-

safe tables:

•

manages nontransactional tables. It provides high-speed storage and retrieval, as well as

MyISAM

fulltext searching capabilities.

storage engine unless you have configured MySQL to use a different one by default.

• The

MEMORY

collection of identical

storage engines handle nontransactional tables, and both are also included in MySQL by

MERGE

default.

Storage Engine ........................................................................................... 1218

Startup Options ....................................................................................... 1220

Table Storage Formats ............................................................................ 1222

Table Problems ...................................................................................... 1224

Storage Engine ........................................................................................... 1226

Configuration .......................................................................................... 1226

InnoDB

Startup Options and System Variables ..................................................... 1234

Database to Another Machine ................................................. 1264

Transaction Model and Locking ......................................................... 1264

Multi-Versioning ...................................................................................... 1275

Table and Index Structures ..................................................................... 1276

Disk I/O and File Space Management .................................................... 1279

Error Handling ...................................................................................... 1280

Performance Tuning and Troubleshooting .............................................. 1284

Tables ................................................................................... 1297

Storage Engine ............................................................................................. 1300

Table Advantages and Disadvantages ....................................................... 1302

Table Problems ........................................................................................ 1303

(HEAP) Storage Engine ............................................................................... 1305

(BerkeleyDB) Storage Engine ......................................................................... 1307

....................................................................................................... 1308

Startup Options ............................................................................................. 1309

Tables ................................................................................... 1312

Storage Engine ......................................................................................... 1313

Storage Engine ..................................................................................... 1313

FEDERATED

Storage Engine ......................................................................................... 1316

Storage Engine ................................................................................................. 1317

Storage Engine ................................................................................... 1318

MyISAM

storage engine provides in-memory tables. The

tables to be handled as a single table. Like MyISAM, the

MyISAM

Tables ...................................................................... 1254

Data and Log Files ................................... 1259

Database ................................................ 1261

.................................................................. 1308

Tables ............................................................................... 1310

Tables .................................................... 1312

Storage Engine ...................................................... 1313

Tables ........................................................................... 1314

Storage Engine ...................................................... 1315

is supported in all MySQL configurations, and is the default

1215

storage engine enables a

MERGE

and

MEMORY

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