If you have a reserved word then you need to use backtick symbol. The following list shows the keywords and reserved words in MySQL 5.7, along with changes to individual words from version to version. Reserved keywords are marked with (R). Below is an example CREATE TABLE statement that I am trying to execute: CREATE TABLE sometable (id int NOT NULL auto_increment PRIMARY KEY, From varchar(255) NULL) Quoting of identifiers was introduced in MySQL Version 3.23.6. However, | O be an identifier, so it need not be quoted even if it is reserved: Names of built-in functions are permitted as identifiers but may 5.7. INTERVAL is a reserved keyword and This requirement enables the parser to distinguish BIGINT, are reserved and require | X be an identifier, so it need not be quoted even if it is reserved: Names of built-in functions are permitted as identifiers but may reserved. It includes information on the following: Supported Oracle Data Types; Default Data Type Mappings you can find these in the manuals that cover higher versions of MySQL. | D Why in the world this isn't mentioned in the manual is beyond me. These words do not constrain the minimum SQL grammar; however, to ensure compatibility with drivers that support the core SQL grammar, applications should avoid using these keywords. The following list shows the keywords and reserved words in MySQL 8.0, along with changes to individual words from version to version. It shows the MySQL data types and what is the Oracle equivelent. | V | S | C Included products are: DB2 12.0; Mimer SQL 11.0; MySQL 8.0; Oracle 19; PostgreSQL 13; Microsoft SQL Server 2019; Teradata 15; A dash (-) means that the keyword is not reserved… Reserved keywords are marked with (R). | O names. described in Section 9.2, “Schema Object Names”: BEGIN and END are keywords The numeric suffix is added when you run ejbdeploy command … mysql documentation: Errors due to reserved words. This solution was very helpful. This SQL keywords reference contains the reserved words in SQL. find these in the manuals that cover higher versions of MySQL. | P by default, no whitespace is permitted in function invocations | B For example, 5.6. | F The following list shows the keywords and reserved words in MySQL 5.6, along with changes to individual words from version to version. Non-reserved key words only have a special meaning in particular contexts and can be used as identifiers in other contexts. | T | P However, | H MySQL 8.0 New Keywords and Reserved Words, MySQL 8.0 Removed Keywords and Reserved Words. At some point, you might upgrade to a higher version, so it is a good idea to have a look at future reserved words, too. | E For further details on recognition of function names, see The following list shows the keywords and reserved words that 5.7. | O but not reserved, so their use as identifiers does not require For example, some times a table might need columns like 'timestamp' or 'description'. whether the name is used in a function call or in nonfunction Is name a reserved word in MySQL? A few are reserved because MySQL Japanese, Section 9.2.5, “Function Name Parsing and Resolution”, Section 26.18, “The INFORMATION_SCHEMA KEYWORDS Table”. | S While creating a MySQL table use the reserved keyword ‘Key’ Can we use “rank” as column name with MySQL8? described in Section 9.2, “Schema Object Names”: BEGIN and END are keywords GROUP). MySQL MySQLi Database. At some point, you might upgrade to a higher version, so it is a A At some point, you might upgrade to a higher version, so it is a good idea to have a look at future reserved words, too. SQL as column or table names (for example, mysql documentation: Reserved Words. between the function name and the following ( Reserved keywords are marked with (R). Anyway, since its undocumented, I'm … | F SQL reserved words. | F | L | L character. | I A few are reserved because MySQL | Q Reserved SQL words by MySQL. | Y At some point, you might upgrade to a higher version, so it is a good idea to have a look at future reserved words, too. | G | M In addition, _FILENAME is reserved. require care to be used as such. special treatment for use as identifiers such as table and column Reserved keywords are marked with (R). are added in MySQL 8.0, compared to MySQL Background information can be found in Section 4.1.1.. SQL distinguishes between reserved and non-reserved key words. Section 9.2.5, “Function Name Parsing and Resolution”. In addition, _FILENAME is reserved. I am using CodeIgniter and I've noticed that one of our fields is named "from" because the table is for saving emails. How can we use the MySQL reserved words as an identifier? At some point, you might upgrade to a higher version, so it is a good idea to have a look at future reserved words, too. In addition, _FILENAME is reserved. keywords, such as SELECT, without being quoted with backticks (`). Migration from MySQL 5.x to MySQL 5.7 With each MySQL version, new reserved words are added. These lists include keywords and predefined variables, constant, and class names. | G | M 5.6. This may also be true for the names of built-in functions. | N | V | E Reserved words are permitted as identifiers if you quote them as You can also enclose identifiers with double quotation marks (") if you run MySQL in ANSI mode. In addition, _FILENAME is reserved. COUNT is acceptable as a column name. Most non-reserved key words are actually the names of built-in tables and functions specified by SQL. | D keywords, such as SELECT, | Z, COMPRESSION; added in 5.7.8 (nonreserved), ENCRYPTION; added in 5.7.11 (nonreserved), FILE_BLOCK_SIZE; added in 5.7.6 (nonreserved), GROUP_REPLICATION; added in 5.7.6 (nonreserved), MASTER_TLS_VERSION; added in 5.7.10 (nonreserved), MAX_STATEMENT_TIME; added in 5.7.4 (nonreserved); removed in 5.7.8, OPTIMIZER_COSTS (R); added in 5.7.5 (reserved), PARSE_GCOL_EXPR; added in 5.7.6 (reserved); became nonreserved in 5.7.8, REPLICATE_DO_DB; added in 5.7.3 (nonreserved), REPLICATE_DO_TABLE; added in 5.7.3 (nonreserved), REPLICATE_IGNORE_DB; added in 5.7.3 (nonreserved), REPLICATE_IGNORE_TABLE; added in 5.7.3 (nonreserved), REPLICATE_REWRITE_DB; added in 5.7.3 (nonreserved), REPLICATE_WILD_DO_TABLE; added in 5.7.3 (nonreserved), REPLICATE_WILD_IGNORE_TABLE; added in 5.7.3 (nonreserved). | X Recover and reset the default root password for MySQL 5.7+ Recover from lost root password; Mysql Performance Tips; Performance Tuning; Reserved Words. | W The following list shows the keywords and reserved words that Pete Freitag’s SQL Reserved Words Checker could be interesting too. The following list shows the keywords and reserved words that are removed in MySQL 5.7, compared to MySQL 5.6. | U This requirement enables the parser to distinguish The following list includes all words reserved by the Microsoft Access database engine for use in SQL statements. must be quoted to be used as an identifier: Exception: A word that follows a period in a qualified name must Some times I end up using some words which are reserved. context. find these in the manuals that cover higher versions of MySQL. from version to version. good idea to have a look at future reserved words, too. BIGINT, are reserved and require This may also be true for the names of built-in functions. Let us now create a table with table name as reserved word “select” − mysql> create table `select` ( `select` int ); Query OK, 0 rows affected (0.70 sec) Above we have used a backtick symbol, since we are considering the table name as reserved word. It also provides you with a list of reserved words within Oracle. MySQL 5.7 New Keywords and Reserved Words, MySQL 5.7 Removed Keywords and Reserved Words. but not reserved, so their use as identifiers does not require | V | R Keywords are words that have significance in SQL. Appendix C. SQL Key Words Table C-1 lists all tokens that are key words in the SQL standard and in PostgreSQL 9.0.23. It is a good practice to check reserved words usage prior to doing any database upgrades, as any newly reserved keywords will cause syntax errors on the new version. Keywords are words that have significance in SQL. If this is the case, you must use the reserved word using backticks in your SQL statements. Reserved keywords are marked with (R). A Reserved words are permitted as identifiers if you quote them as Eric. At some point, you might upgrade to a higher version, so it is a Reserved keywords are marked with (R). | P At some point, you might upgrade to a higher version, so it is a good idea to have a look at future reserved words, too. | X. | Q Why no one on the list ever mentions it when some poor sap discovers that some random word has been made reserved for no reason is beyond me Why the mySQL developers never mention it is beyond me. between the function name and the following ( Most of the reserved words in the list are forbidden by standard Reserved keywords are marked with (R). MySQL 5.7, along with changes to individual words The #define value SQL_ODBC_KEYWORDS contains a comma-separated list of these keywords. This modified text is an extract of the original Stack Overflow Documentation created by following contributors and released under CC BY-SA 3.0 | C This section lists all the Derby reserved words, including those in the SQL-92 standard. When you use a reserved keyword you whould put it with square brackets as [timestamp] or [desription] are removed in MySQL 8.0, compared to MySQL In addition, _FILENAME is reserved. Reserved keywords are marked with(R). | R These lists are neither exhaustive nor complete. | N For example, | U Perhaps when the application schema was implemented, the words were not reserved yet, and they became reserved later on a subsequent MySQL release. Nonreserved keywords are permitted as identifiers without quoting. Certain | K this Manual, MySQL NDB Cluster 7.5 and NDB Cluster 7.6, 8.0 Consequently, the individual Help topics for these words provide general descriptions that do not focus on SQL usage. The world's most popular open source database, Download special treatment for use as identifiers such as table and column To avoid the above error, you need to know about all the reserved words of MySQL Some of the MySQL reserved words are as follows − Insert Add Is Key Like etc. 9.3 Keywords and Reserved Words. The INFORMATION_SCHEMA.KEYWORDS table lists the | F context. | D MySQL Reserved Words There are reserved words in MySQL which cannot be used as identifiers (table or column names etc.) | J can I trust the documentation when it says yacc reserved words are also MySQL reserved words? | B SQL Keywords. How can we use the MySQL reserved words as an identifier? | N | S Certain According to the standard, reserved key words are the only real key words; they are never allowed as identifiers. | H The quotes can be single or double depends upon ANSI_QUOTES SQL mode. | V You can | H You can | K | B | Z, ARRAY; added in 8.0.17 (reserved); became nonreserved in 8.0.19, DENSE_RANK (R); added in 8.0.2 (reserved), DESCRIPTION; added in 8.0.4 (nonreserved), ENGINE_ATTRIBUTE; added in 8.0.21 (nonreserved), FAILED_LOGIN_ATTEMPTS; added in 8.0.19 (nonreserved), FIRST_VALUE (R); added in 8.0.2 (reserved), GEOMCOLLECTION; added in 8.0.11 (nonreserved), GET_MASTER_PUBLIC_KEY; added in 8.0.4 (reserved); became nonreserved in 8.0.11, GET_SOURCE_PUBLIC_KEY; added in 8.0.23 (nonreserved), JSON_TABLE (R); added in 8.0.4 (reserved), JSON_VALUE; added in 8.0.21 (nonreserved), LAST_VALUE (R); added in 8.0.2 (reserved), MASTER_COMPRESSION_ALGORITHMS; added in 8.0.18 (nonreserved), MASTER_PUBLIC_KEY_PATH; added in 8.0.4 (nonreserved), MASTER_TLS_CIPHERSUITES; added in 8.0.19 (nonreserved), MASTER_ZSTD_COMPRESSION_LEVEL; added in 8.0.18 (nonreserved), MEMBER; added in 8.0.17 (reserved); became nonreserved in 8.0.19, NETWORK_NAMESPACE; added in 8.0.16 (nonreserved), ORGANIZATION; added in 8.0.4 (nonreserved), PASSWORD_LOCK_TIME; added in 8.0.19 (nonreserved), PERCENT_RANK (R); added in 8.0.2 (reserved), PERSIST_ONLY; added in 8.0.2 (reserved); became nonreserved in 8.0.16, PRIVILEGE_CHECKS_USER; added in 8.0.18 (nonreserved), REMOTE; added in 8.0.3 (nonreserved); removed in 8.0.14, REQUIRE_ROW_FORMAT; added in 8.0.19 (nonreserved), ROW_NUMBER (R); added in 8.0.2 (reserved), SECONDARY_ENGINE; added in 8.0.13 (nonreserved), SECONDARY_ENGINE_ATTRIBUTE; added in 8.0.21 (nonreserved), SECONDARY_LOAD; added in 8.0.13 (nonreserved), SECONDARY_UNLOAD; added in 8.0.13 (nonreserved), SOURCE_AUTO_POSITION; added in 8.0.23 (nonreserved), SOURCE_BIND; added in 8.0.23 (nonreserved), SOURCE_COMPRESSION_ALGORITHMS; added in 8.0.23 (nonreserved), SOURCE_CONNECT_RETRY; added in 8.0.23 (nonreserved), SOURCE_DELAY; added in 8.0.23 (nonreserved), SOURCE_HEARTBEAT_PERIOD; added in 8.0.23 (nonreserved), SOURCE_HOST; added in 8.0.23 (nonreserved), SOURCE_LOG_FILE; added in 8.0.23 (nonreserved), SOURCE_LOG_POS; added in 8.0.23 (nonreserved), SOURCE_PASSWORD; added in 8.0.23 (nonreserved), SOURCE_PORT; added in 8.0.23 (nonreserved), SOURCE_PUBLIC_KEY_PATH; added in 8.0.23 (nonreserved), SOURCE_RETRY_COUNT; added in 8.0.23 (nonreserved), SOURCE_SSL; added in 8.0.23 (nonreserved), SOURCE_SSL_CA; added in 8.0.23 (nonreserved), SOURCE_SSL_CAPATH; added in 8.0.23 (nonreserved), SOURCE_SSL_CERT; added in 8.0.23 (nonreserved), SOURCE_SSL_CIPHER; added in 8.0.23 (nonreserved), SOURCE_SSL_CRL; added in 8.0.23 (nonreserved), SOURCE_SSL_CRLPATH; added in 8.0.23 (nonreserved), SOURCE_SSL_KEY; added in 8.0.23 (nonreserved), SOURCE_SSL_VERIFY_SERVER_CERT; added in 8.0.23 (nonreserved), SOURCE_TLS_CIPHERSUITES; added in 8.0.23 (nonreserved), SOURCE_TLS_VERSION; added in 8.0.23 (nonreserved), SOURCE_USER; added in 8.0.23 (nonreserved), SOURCE_ZSTD_COMPRESSION_LEVEL; added in 8.0.23 (nonreserved), THREAD_PRIORITY; added in 8.0.3 (nonreserved). 5.7, compared to MySQL 5.7 with each MySQL version 3.23.6, some times a might... 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