你不小心使用了下面的关键字，那么就会报这个错误：
SQL Error: 1064, SQLState: 42000
MySQL 关键字和保留字
下面这些是目前 MySQL 所拥有的关键字和保留字，在使用 MySQL 创建库名、表名、字段名等的时候，最好避免直接使用这些单词，并且不分大小写，否则的话很容易报错。
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 CONNECTION 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 GOTO 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 IS ITERATE JOIN KEY KEYS KILL LABEL LEADING LEAVE LEFT LIKE LIMIT LINEAR LINES LOAD LOCALTIME LOCALTIMESTAMP LOCK LONG LONGBLOB LONGTEXT LOOP LOW_PRIORITY MATCH 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 PRECISION PRIMARY PROCEDURE PURGE RAID0 RANGE READ READS REAL REFERENCES REGEXP RELEASE RENAME REPEAT REPLACE REQUIRE RESTRICT RETURN REVOKE RIGHT RLIKE SCHEMA SCHEMAS SECOND_MICROSECOND SELECT SENSITIVE SEPARATOR SET SHOW 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 X509 XOR YEAR_MONTH ZEROFILL 讯享网
解决办法
将表名或字段名用两个重音符号(`)括起来
重音符号键即是键盘上 “1” 键左边的、“Tab” 键上边的那个键。此符号亦被称为“反向引号”。
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