大家好，又见面了，我是全栈君。
今天写代码的时候,老是提示在You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘describe。
写SQL语句的时候删掉这个字段就不会报错，加上这个字段添加和查询又会报错，纠结了很久，最后终于试着把describe改为describes，可以正常插入数据，也可以正常查询了,后面在网上一查，describe竟然是mysql中的关键词，我们不能用这个作为数据库中的表的字段。
在SQL语句中出现的关键字和保留字 如果要使用人他们的字符意思而不是作为关键字、保留字使用，关键字可以正常使用，但是保留字必须使用`（键盘tab键上面，数字1左边的那个按键）来分割。这个在SQLServer里面是使用[]中括号实现的。所以我们要尽量避免使用关键字和保留字来作为表名和字段名。
create table api_community_pic(
id int(11) unsigned not null auto_increment primary key comment '图片id',
user_id int(11) not null comment '用户id',
title varchar(255) not null default '' comment '图片标题',
`describe` varchar(255) not null default '' comment '图片描述',
s3_url varchar(255) not null default '' comment '图片s3路径',
praise int(10) NOT NULL DEFAULT '0' COMMENT '点赞数',
status tinyint(1) unsigned not null default '0' comment '图片状态: 0 等待审核 1 审核通过 2审核不通过',
created_at int(11) unsigned NOT NULL DEFAULT '0' COMMENT '上传时间'
)comment='图片表';另外附上mysql保留字列表：
Reserved Words in
MySQL 5.6.23
ACCESSIBLE
ADD
ALL
ALTER
ANALYZE
AND
AS
ASC
ASENSITIVE
BEFORE
BETWEEN
BIGINT
BINARY
BLOB
BOTH
BY
CALL
CASCADE
CASE
CHANGE
CHAR
CHARACTER
CHECK
COLLATE
COLUMN
CONDITION
CONSTRAINT
CONTINUE
CONVERT
CREATE
CROSS
CURRENT_DATE
CURRENT_TIME
CURRENT_TIMESTAMP
CURRENT_USER
CURSOR
DATABASE
DATABASES
DAY_HOUR
DAY_MICROSECOND
DAY_MINUTE
DAY_SECOND
DEC
DECIMAL
DECLARE
DEFAULT
DELAYED
DELETE
DESC
DESCRIBE
DETERMINISTIC
DISTINCT
DISTINCTROW
DIV
DOUBLE
DROP
DUAL
EACH
ELSE
ELSEIF
ENCLOSED
ESCAPED
EXISTS
EXIT
EXPLAIN
FALSE
FETCH
FLOAT
FLOAT4
FLOAT8
FOR
FORCE
FOREIGN
FROM
FULLTEXT
GET
GRANT
GROUP
HAVING
HIGH_PRIORITY
HOUR_MICROSECOND
HOUR_MINUTE
HOUR_SECOND
IF
IGNORE
IN
INDEX
INFILE
INNER
INOUT
INSENSITIVE
INSERT
INT
INT1
INT2
INT3
INT4
INT8
INTEGER
INTERVAL
INTO
IO_AFTER_GTIDS
IO_BEFORE_GTIDS
IS
ITERATE
JOIN
KEY
KEYS
KILL
LEADING
LEAVE
LEFT
LIKE
LIMIT
LINEAR
LINES
LOAD
LOCALTIME
LOCALTIMESTAMP
LOCK
LONG
LONGBLOB
LONGTEXT
LOOP
LOW_PRIORITY
MASTER_BIND
MASTER_SSL_VERIFY_SERVER_CERT
MATCH
MAXVALUE
MEDIUMBLOB
MEDIUMINT
MEDIUMTEXT
MIDDLEINT
MINUTE_MICROSECOND
MINUTE_SECOND
MOD
MODIFIES
NATURAL
NOT
NO_WRITE_TO_BINLOG
NULL
NUMERIC
ON
OPTIMIZE
OPTION
OPTIONALLY
OR
ORDER
OUT
OUTER
OUTFILE
PARTITION
PRECISION
PRIMARY
PROCEDURE
PURGE
RANGE
READ
READS
READ_WRITE
REAL
REFERENCES
REGEXP
RELEASE
RENAME
REPEAT
REPLACE
REQUIRE
RESIGNAL
RESTRICT
RETURN
REVOKE
RIGHT
RLIKE
SCHEMA
SCHEMAS
SECOND_MICROSECOND
SELECT
SENSITIVE
SEPARATOR
SET
SHOW
SIGNAL
SMALLINT
SPATIAL
SPECIFIC
SQL
SQLEXCEPTION
SQLSTATE
SQLWARNING
SQL_BIG_RESULT
SQL_CALC_FOUND_ROWS
SQL_SMALL_RESULT
SSL
STARTING
STRAIGHT_JOIN
TABLE
TERMINATED
THEN
TINYBLOB
TINYINT
TINYTEXT
TO
TRAILING
TRIGGER
TRUE
UNDO
UNION
UNIQUE
UNLOCK
UNSIGNED
UPDATE
USAGE
USE
USING
UTC_DATE
UTC_TIME
UTC_TIMESTAMP
VALUES
VARBINARY
VARCHAR
VARCHARACTER
VARYING
WHEN
WHERE
WHILE
WITH
WRITE
XOR
YEAR_MONTH
ZEROFILL
NewReserved Words in MySQL 5.6
GET
IO_AFTER_GTIDS
IO_BEFORE_GTIDS
MASTER_BIND
ONE_SHOT
PARTITION
SQL_AFTER_GTIDS
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