SQL CREATE

CREATE DATABASE

Syntax

CREATE [OR REPLACE] {DATABASE | SCHEMA} [IF NOT EXISTS] db_name
[create_specification] ...

create_specification:
[DEFAULT] CHARACTER SET [=] charset_name
| [DEFAULT] COLLATE [=] collation_name
| COMMENT [=] 'comment'
		    

Examples

CREATE DATABASE IF NOT EXISTS `sql_hr`
CHARACTER SET utf8mb4
COLLATE utf8mb4_general_ci;
		    

CREATE TABLE

Syntax

CREATE [OR REPLACE] [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name
    (create_definition,...) [table_options    ]... [partition_options]
CREATE [OR REPLACE] [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name
    [(create_definition,...)] [table_options   ]... [partition_options]
    select_statement
CREATE [OR REPLACE] [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name
   { LIKE old_table_name | (LIKE old_table_name) }


select_statement:
    [IGNORE | REPLACE] [AS] SELECT ...   (Some legal select statement)

create_definition:
  { col_name column_definition | index_definition | period_definition | CHECK (expr) }


column_definition:
  data_type
    [NOT NULL | NULL] [DEFAULT default_value | (expression)]
    [ON UPDATE [NOW | CURRENT_TIMESTAMP] [(precision)]]
    [AUTO_INCREMENT] [ZEROFILL] [UNIQUE [KEY] | [PRIMARY] KEY]
    [INVISIBLE] [{WITH|WITHOUT} SYSTEM VERSIONING]
    [COMMENT 'string'] [REF_SYSTEM_ID = value]
    [reference_definition]
  | data_type [GENERATED ALWAYS]
  AS [ ROW {START|END} [NOT NULL ENABLE] [[PRIMARY] KEY]
        | (expression) [VIRTUAL | PERSISTENT | STORED] ]
      [INVISIBLE] [UNIQUE [KEY]] [COMMENT 'string']


constraint_definition:
   CONSTRAINT [constraint_name] CHECK (expression)


index_definition:
    {INDEX|KEY} [index_name] [index_type] (index_col_name,...) [index_option] ...
  {{{|}}} {FULLTEXT|SPATIAL} [INDEX|KEY] [index_name] (index_col_name,...) [index_option] ...
  {{{|}}} [CONSTRAINT [symbol]] PRIMARY KEY [index_type] (index_col_name,...) [index_option] ...
  {{{|}}} [CONSTRAINT [symbol]] UNIQUE [INDEX|KEY] [index_name] [index_type] (index_col_name,...) [index_option] ...
  {{{|}}} [CONSTRAINT [symbol]] FOREIGN KEY [index_name] (index_col_name,...) reference_definition

index_col_name:
    col_name [(length)] [ASC | DESC]

index_type:
    USING {BTREE | HASH | RTREE}

index_option:
    [ KEY_BLOCK_SIZE [=] value
  {{{|}}} index_type
  {{{|}}} WITH PARSER parser_name
  {{{|}}} VISIBLE
  {{{|}}} COMMENT 'string'
  {{{|}}} CLUSTERING={YES| NO} ]
  [ IGNORED | NOT IGNORED ]

reference_definition:
    REFERENCES tbl_name (index_col_name,...)
      [MATCH FULL | MATCH PARTIAL | MATCH SIMPLE]
      [ON DELETE reference_option]
      [ON UPDATE reference_option]

reference_option:
    RESTRICT | CASCADE | SET NULL | NO ACTION


table_option:
    [STORAGE] ENGINE [=] engine_name
  | AUTO_INCREMENT [=] number
  | AVG_ROW_LENGTH [=] number
  | [DEFAULT] CHARACTER SET [=] charset_name
  | CHECKSUM [=] {0 | 1}
  | [DEFAULT] COLLATE [=] collation_name
  | COMMENT [=] 'string'
  | CONNECTION [=] 'connect_string'
  | DATA DIRECTORY [=] 'absolute path to directory'
  | DELAY_KEY_WRITE [=] {0 | 1}
  | ENCRYPTED [=] {YES | NO}
  | ENCRYPTION_KEY_ID [=] number
  | IETF_QUOTES [=] {YES | NO}
  | INDEX DIRECTORY [=] 'absolute path to directory'
  | INSERT_METHOD [=] { NO | FIRST | LAST }
  | KEY_BLOCK_SIZE [=] number
  | MAX_ROWS [=] number
  | MIN_ROWS [=] number
  | PACK_KEYS [=] {0 | 1 | DEFAULT}
  | PAGE_CHECKSUM [=] {0 | 1}
  | PAGE_COMPRESSED [=] {0 | 1}
  | PAGE_COMPRESSION_LEVEL [=] {0 .. 9}
  | PASSWORD [=] 'string'
  | ROW_FORMAT [=] {DEFAULT|DYNAMIC|FIXED|COMPRESSED|REDUNDANT|COMPACT|PAGE}
  | SEQUENCE [=] {0|1}
  | STATS_AUTO_RECALC [=] {DEFAULT|0|1}
  | STATS_PERSISTENT [=] {DEFAULT|0|1}
  | STATS_SAMPLE_PAGES [=] {DEFAULT|number}
  | TABLESPACE tablespace_name
  | TRANSACTIONAL [=]  {0 | 1}
  | UNION [=] (tbl_name[,tbl_name]...)
  | WITH SYSTEM VERSIONING
		    

Examples

CREATE TABLE  IF NOT EXISTS `offices` (
  `office_id` INT PRIMARY KEY, -- AUTO_INCREMENT
  `address` VARCHAR(50) NOT NULL,
  `city` VARCHAR(50) NOT NULL,
  `state` VARCHAR(50) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;