create table [table name] ([column 1 name] [data 1 type], [column 2 name] [data 2 type], ... ) [constraints];
...where the constraints can be... unique - no 2 records have same value in a particular column
not null - column can't be left blank
primary key - unique id for each record/row
CREATE TABLE `main` ( `id` INT UNSIGNED NOT NULL auto_increment, `hash` CHAR(32), `info` VARCHAR(255), `data` LONGBLOB, PRIMARY KEY (`id`));
show columns from <table>
DELETE FROM some_table DELETE FROM some_table WHERE `some_column` = "some_value";
INSERT INTO [table name] ([column 1 name], [column 2 name], ...) VALUES ([column 1 value], [column 2 value], ...);
char(size) - Fixed-length character string. size is specified in parenthesis. Max 255 bytes.
varchar(size) - Variable-length character string. size specifies the maximum size
number(size) - Number value. size specifies max number of column digits
number(size,d) - Number value. size specifies max number of total column digits, d specifies number of decimal places
date - for date values