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Appendix A: MySQL Syntax Reference
Overview
This appendix contains the SQL statements and syntax used by MySQL version 4.0. For newer versions, you +1
should see the documentation that comes with your distribution, or visit the MySQL site (www.mysql.com).The convention used throughout the appendixes is as follows:
Square brackets ([]) denote something optional. For example:
SELECT expression [FROM table_name [WHERE where_clause]]
indicates that the expression is compulsory (for example SELECT 42/10) and that the WHERE clause is optional but can only exist if the optional FROM table_name clause exists. (You can have SELECT * FROM t1, but not SELECT * WHERE f1>10, because the table_name clause is then missing.)
A vertical bar (|) separates alternatives. For example:
CREATE [UNIQUE | FULLTEXT] INDEX
indicates that UNIQUE and FULLTEXT are separate options.
Curly brackets ({}) indicate that one of the options must be chosen. For example:
CREATE TABLE ... [TYPE = {BDB | HEAP | ISAM | InnoDB | MERGE |
MRG_MYISAM | MYISAM }]If the optional TYPE clause is specified, one of BDB, HEAP, ISAM, InnoDB, MERGE, MRG_ MYISAM or MYISAM must be specified.
Three dots (...) indicate that the option can be repeated. For example:
SELECT expression,...
indicates that the expression can be repeated (separated by a comma), as follows: SELECT f1,f2,f3.
