建了個表，有個字段起名為key，結果insert語句報錯了，說是sql不對。
原因：字段key和MySQL的保留字沖突了，當mysql的字段名和保留字沖突的時候，sql語句中的字段名需要加上反引號``來加以區別，反引號可以用Esc鍵下面那個按鍵在英文模式不按shift鍵打出來，注意，是反引號不是單引號，回車鍵左邊那個是單引號。
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 |
SQL_BEFORE_GTIDS |
|