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       Facebook Example of create table syntax mysql LINKED IN Example of create table syntax mysql del-icio-us Example of create table syntax mysql

Example Of CREATE TABLE Mysql Syntax:




CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name
(create_definition,...)
[table_option] ...
[partition_options]

Or:

CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name
[(create_definition,...)]
[table_option] ...
[partition_options]
select_statement

Or:

CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name
{ LIKE old_tbl_name | (LIKE old_tbl_name) }

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

column_definition:
data_type [NOT NULL | NULL] [DEFAULT default_value]
[AUTO_INCREMENT] [UNIQUE [KEY] | [PRIMARY] KEY]
[COMMENT 'string'] [reference_definition]

data_type:
BIT[(length)]
| TINYINT[(length)] [UNSIGNED] [ZEROFILL]
| SMALLINT[(length)] [UNSIGNED] [ZEROFILL]
| MEDIUMINT[(length)] [UNSIGNED] [ZEROFILL]
| INT[(length)] [UNSIGNED] [ZEROFILL]
| INTEGER[(length)] [UNSIGNED] [ZEROFILL]
| BIGINT[(length)] [UNSIGNED] [ZEROFILL]
| REAL[(length,decimals)] [UNSIGNED] [ZEROFILL]
| DOUBLE[(length,decimals)] [UNSIGNED] [ZEROFILL]
| FLOAT[(length,decimals)] [UNSIGNED] [ZEROFILL]
| DECIMAL[(length[,decimals])] [UNSIGNED] [ZEROFILL]
| NUMERIC[(length[,decimals])] [UNSIGNED] [ZEROFILL]
| DATE
| TIME
| TIMESTAMP
| DATETIME
| YEAR
| CHAR[(length)]
[CHARACTER SET charset_name] [COLLATE collation_name]
| VARCHAR(length)
[CHARACTER SET charset_name] [COLLATE collation_name]
| BINARY[(length)]
| VARBINARY(length)
| TINYBLOB
| BLOB
| MEDIUMBLOB
| LONGBLOB
| TINYTEXT [BINARY]
[CHARACTER SET charset_name] [COLLATE collation_name]
| TEXT [BINARY]
[CHARACTER SET charset_name] [COLLATE collation_name]
| MEDIUMTEXT [BINARY]
[CHARACTER SET charset_name] [COLLATE collation_name]
| LONGTEXT [BINARY]
[CHARACTER SET charset_name] [COLLATE collation_name]
| ENUM(value1,value2,value3,...)
[CHARACTER SET charset_name] [COLLATE collation_name]
| SET(value1,value2,value3,...)
[CHARACTER SET charset_name] [COLLATE collation_name]
| spatial_type

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
| COMMENT 'string'

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:
ENGINE [=] engine_name
| AUTO_INCREMENT [=] value
| AVG_ROW_LENGTH [=] value
| [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}
| INDEX DIRECTORY [=] 'absolute path TO directory'
| INSERT_METHOD [=] { NO | FIRST | LAST }
| KEY_BLOCK_SIZE [=] value
| MAX_ROWS [=] value
| MIN_ROWS [=] value
| PACK_KEYS [=] {0 | 1 | DEFAULT}
| PASSWORD [=] 'string'
| ROW_FORMAT [=] {DEFAULT|DYNAMIC|FIXED|COMPRESSED|REDUNDANT|COMPACT}
| TABLESPACE tablespace_name
| UNION [=] (tbl_name[,tbl_name]...)

partition_options:
PARTITION BY
{ [LINEAR] HASH(expr)
| [LINEAR] KEY(column_list)
| RANGE(expr)
| LIST(expr) }
[PARTITIONS num]
[SUBPARTITION BY
{ [LINEAR] HASH(expr)
| [LINEAR] KEY(column_list) }
[SUBPARTITIONS num]
]
[(partition_definition [, partition_definition] ...)]

partition_definition:
PARTITION partition_name
[VALUES {LESS THAN {(expr) | MAXVALUE} | IN (value_list)}]
[[STORAGE] ENGINE [=] engine_name]
[COMMENT [=] 'comment_text' ]
[DATA DIRECTORY [=] 'data_dir']
[INDEX DIRECTORY [=] 'index_dir']
[MAX_ROWS [=] max_number_of_rows]
[MIN_ROWS [=] min_number_of_rows]
[TABLESPACE [=] tablespace_name]
[NODEGROUP [=] node_group_id]
[(subpartition_definition [, subpartition_definition] ...)]

subpartition_definition:
SUBPARTITION logical_name
[[STORAGE] ENGINE [=] engine_name]
[COMMENT [=] 'comment_text' ]
[DATA DIRECTORY [=] 'data_dir']
[INDEX DIRECTORY [=] 'index_dir']
[MAX_ROWS [=] max_number_of_rows]
[MIN_ROWS [=] min_number_of_rows]
[TABLESPACE [=] tablespace_name]
[NODEGROUP [=] node_group_id]

select_statement:
[IGNORE | REPLACE] [AS] SELECT ...

SELECT * FROM tbl_name WHERE auto_col IS NULL
CREATE TABLE t (c CHAR(20) CHARACTER SET utf8 COLLATE utf8_bin);

CREATE TABLE lookup
(id INT, INDEX USING BTREE (id))
ENGINE = MEMORY;

CREATE TABLE test (blob_col BLOB, >INDEX(blob_col(10)));

CREATE TABLE t1 (col1 INT, col2 CHAR(5))
PARTITION BY HASH(col1);

CREATE TABLE t1 (col1 INT, col2 CHAR(5))
PARTITION BY HASH( ORD(col2) );

CREATE TABLE t1 (col1 INT, col2 CHAR(5), col3 DATETIME)
PARTITION BY HASH ( YEAR(col3) );

CREATE TABLE tk (col1 INT, col2 CHAR(5), col3 DATE)
PARTITION BY KEY(col3)
PARTITIONS 4; ,br> CREATE TABLE tk (col1 INT, col2 CHAR(5), col3 DATE)
PARTITION BY LINEAR KEY(col3)
PARTITIONS 5;

CREATE TABLE t1 (
year_col INT,
some_data INT
)
PARTITION BY RANGE (year_col) (
PARTITION p0 VALUES LESS THAN (1991),
PARTITION p1 VALUES LESS THAN (1995),
VALUES LESS THAN (1999),
PARTITION p3 VALUES LESS THAN (2002),
PARTITION p4 VALUES LESS THAN (2006),
PARTITION p5 VALUES LESS THAN MAXVALUE
);

CREATE TABLE client_firms (
id INT,
name VARCHAR(35)
)
PARTITION BY LIST (id) (
PARTITION r0 VALUES IN (1, 5, 9, 13, 17, 21),
PARTITION r1 VALUES IN (2, 6, 10, 14, 18, 22),
PARTITION r2 VALUES IN (3, 7, 11, 15, 19, 23),
PARTITION r3 VALUES IN (4, 8, 12, 16, 20, 24)
);


CREATE TABLE th (id INT, name VARCHAR(30), adate DATE)
PARTITION BY LIST(YEAR(adate))
(
PARTITION p1999 VALUES IN (1995, 1999, 2003)
DATA DIRECTORY = '/var/appdata/95/data'
INDEX DIRECTORY = '/var/appdata/95/idx',
PARTITION p2000 VALUES IN (1996, 2000, 2004)
DATA DIRECTORY = '/var/appdata/96/data'
INDEX DIRECTORY = '/var/appdata/96/idx',
PARTITION p2001 VALUES IN (1997, 2001, 2005)
DATA DIRECTORY = '/var/appdata/97/data'
INDEX DIRECTORY = '/var/appdata/97/idx',
PARTITION p2000 VALUES IN (1998, 2002, 2006)
DATA DIRECTORY = '/var/appdata/98/data'
INDEX DIRECTORY = '/var/appdata/98/idx'
);


CREATE TABLE new_tbl SELECT * FROM orig_tbl;

mysql> CREATE TABLE bar (UNIQUE (n)) SELECT n FROM foo;

CREATE TABLE artists_and_works
SELECT artist.name, COUNT(work.artist_id) AS number_of_works
FROM artist LEFT JOIN work ON artist.id = work.artist_id
GROUP BY artist.id;

CREATE TABLE foo (a TINYINT NOT NULL) SELECT b+1 AS a FROM bar;

CREATE TABLE new_tbl LIKE orig_tbl;




         


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