Tuesday, October 28, 2008

create table

--Complete table definitions

--This example shows complete table definitions with all constraint definitions for three tables (jobs, employee, and publishers) created in the pubs database.

/* ************************** jobs table ************************** */
CREATE TABLE jobs
(
job_id smallint
IDENTITY(1,1)
PRIMARY KEY CLUSTERED,
job_desc varchar(50) NOT NULL
DEFAULT 'New Position - title not formalized yet',
min_lvl tinyint NOT NULL
CHECK (min_lvl >= 10),
max_lvl tinyint NOT NULL
CHECK (max_lvl <= 250)
)

/* ************************* employee table ************************* */
CREATE TABLE employee
(
emp_id int
CONSTRAINT PK_emp_id PRIMARY KEY NONCLUSTERED
CONSTRAINT CK_emp_id CHECK (emp_id LIKE
'[A-Z][A-Z][A-Z][1-9][0-9][0-9][0-9][0-9][FM]' or
emp_id LIKE '[A-Z]-[A-Z][1-9][0-9][0-9][0-9][0-9][FM]'),
/* Each employee ID consists of three characters that
represent the employee's initials, followed by a five
digit number ranging from 10000 through 99999 and then the
employee's gender (M or F). A (hyphen) - is acceptable
for the middle initial. */
fname varchar(20) NOT NULL,
minit char(1) NULL,
lname varchar(30) NOT NULL,
job_id smallint NOT NULL
DEFAULT 1
/* Entry job_id for new hires. */
REFERENCES jobs(job_id),
job_lvl tinyint
DEFAULT 10,
/* Entry job_lvl for new hires. */
pub_id char(4) NOT NULL
DEFAULT ('9952')
REFERENCES publishers(pub_id),
/* By default, the Parent Company Publisher is the company
to whom each employee reports. */
hire_date datetime NOT NULL
DEFAULT (getdate())
/* By default, the current system date is entered. */
)

/* ***************** publishers table ******************** */
CREATE TABLE publishers
(
pub_id char(4) NOT NULL
CONSTRAINT UPKCL_pubind PRIMARY KEY CLUSTERED
CHECK (pub_id IN ('1389', '0736', '0877', '1622', '1756')
OR pub_id LIKE '99[0-9][0-9]'),
pub_name varchar(40) NULL,
city varchar(20) NULL,
state char(2) NULL,
country varchar(30) NULL
DEFAULT('USA')
)

Creating a database

Creating a database without specifying files

CREATE DATABASE mytest

Creating a database that specifies the data and transaction log files

CREATE DATABASE Sales
ON
( NAME = Sales_dat,
FILENAME = '''+ @data_path + 'saledat.mdf'',
SIZE = 10,
MAXSIZE = 50,
FILEGROWTH = 5 )
LOG ON
( NAME = Sales_log,
FILENAME = '''+ @data_path + 'salelog.ldf'',
SIZE = 5MB,
MAXSIZE = 25MB,
FILEGROWTH = 5MB )'
);
GO

Creating a database by specifying multiple data and transaction log files

'CREATE DATABASE Archive
ON
PRIMARY
(NAME = Arch1,
FILENAME = '''+ @data_path + 'archdat1.mdf'',
SIZE = 100MB,
MAXSIZE = 200,
FILEGROWTH = 20),
( NAME = Arch2,
FILENAME = '''+ @data_path + 'archdat2.ndf'',
SIZE = 100MB,
MAXSIZE = 200,
FILEGROWTH = 20),
( NAME = Arch3,
FILENAME = '''+ @data_path + 'archdat3.ndf'',
SIZE = 100MB,
MAXSIZE = 200,
FILEGROWTH = 20)
LOG ON
(NAME = Archlog1,
FILENAME = '''+ @data_path + 'archlog1.ldf'',
SIZE = 100MB,
MAXSIZE = 200,
FILEGROWTH = 20),
(NAME = Archlog2,
FILENAME = '''+ @data_path + 'archlog2.ldf'',
SIZE = 100MB,
MAXSIZE = 200,
FILEGROWTH = 20)'
);
GO

Creating a database that has filegroups

CREATE DATABASE Sales
ON PRIMARY
( NAME = SPri1_dat,
FILENAME = '''+ @data_path + 'SPri1dat.mdf'',
SIZE = 10,
MAXSIZE = 50,
FILEGROWTH = 15% ),
( NAME = SPri2_dat,
FILENAME = '''+ @data_path + 'SPri2dt.ndf'',
SIZE = 10,
MAXSIZE = 50,
FILEGROWTH = 15% ),
FILEGROUP SalesGroup1
( NAME = SGrp1Fi1_dat,
FILENAME = '''+ @data_path + 'SG1Fi1dt.ndf'',
SIZE = 10,
MAXSIZE = 50,
FILEGROWTH = 5 ),
( NAME = SGrp1Fi2_dat,
FILENAME = '''+ @data_path + 'SG1Fi2dt.ndf'',
SIZE = 10,
MAXSIZE = 50,
FILEGROWTH = 5 ),
FILEGROUP SalesGroup2
( NAME = SGrp2Fi1_dat,
FILENAME = '''+ @data_path + 'SG2Fi1dt.ndf'',
SIZE = 10,
MAXSIZE = 50,
FILEGROWTH = 5 ),
( NAME = SGrp2Fi2_dat,
FILENAME = '''+ @data_path + 'SG2Fi2dt.ndf'',
SIZE = 10,
MAXSIZE = 50,
FILEGROWTH = 5 )
LOG ON
( NAME = Sales_log,
FILENAME = '''+ @data_path + 'salelog.ldf'',
SIZE = 5MB,
MAXSIZE = 25MB,
FILEGROWTH = 5MB )'
);
GO

Attaching a database

'CREATE DATABASE Archive
ON (FILENAME = '''+ @data_path + 'archdat1.mdf'')
FOR ATTACH');
GO

create function

create function myfuns(@x int) returns char(10)
as
begin
declare @xx char(10)
select @xx = nam from Table_1 where id= @x
return @xx
end

create stored procedure

create proc myproc
@id int,
@nam char(10)
as
insert into Table_1 values(@id,@nam)

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