sql server create table primary key autoincrement

. Because the field is to be the primary key for a table, the first condition is to ensure uniqueness in the table. At the same time, combining the characteristics of the SQL Server database itself, you can

Tags: des blog http io ar os sp div onOriginal: Deletes all indexes of the specified table, including primary key index, unique index, and normal index, for SQL Server 2005,--Delete all indexes in the specified table--usage: DECLA

Keytablename (:D Elibase:delord-Delord) Set @table Namestartpos=patindex ('%base:% ', @KeyTableName) if @tableNameStartPos >0set @KeyTableName =substring (@ Keytablename, @TableNameStartPos +5,len (@KeyTableName) [emailprotected]) Set @HeadStr = @PrefixSet @preFixStr = " If @CodeType = ' 1 ' beginif @FirstLoop = ' 1 ' Set @tmpstr = Cast ((@CurrentCode + 1) as Varchar) Else beginset @tmpstr = Ca St ((@CurrentCode + 1) as Varchar) Set @CCode = @Current

for replication clause (in the create table or alter table statement), the current ID value is not corrected. If the primary key or unique key constraint exists in the ID column, invalid ID information may cause error 2627. The s

Tags: mat and products Type way query data str whereMode 1: Select b.column_name from information_schema.table_constraints a inner join information_schema.constraint_column_usage b = b.constraint_name where ' PRIMARY KEY ' ' Products ' Go Mode 2: SELECT A.name From syscolumns a inner joins sysobjects d on a.id=d.id where d.name= 'products'1where xtype='PK' And in (the SELECT

1. Create a new tableCREATE TABLEYsb_log (ID Number(8)Primary Key not NULL, Tbdatevarchar( -)NULL, Tb_timevarchar( -) not NULL, Tblogvarchar( -) not NULL, Tbreorvarchar2( -)NULL, BSvarchar( -) not NULL );In Oracle, sequence is the so-called serial number, which is automatically incremented each time it is taken, and is typically used where serial numbers need

Label:Sometimes to get the table primary key field, although the system from the stored procedure can be obtained, but for familiar with the system table, it is easy to write yourself.2 Declare @table_name varchar 3 Set @table_name = ' Table_pqs ' 4 --1, according to system stored procedure 5 Execute

. Because the field is to be the primary key for a table, the first condition is to ensure uniqueness in the table. At the same time, combining the characteristics of the SQL Server database itself, you can

of database is a very broad problem. This paper mainly aims at the present situation of the author's development and Application, and discusses the problems and corresponding solutions to the design of table's primary key when designing the table on MS SQL Server. 2.

: 1. Sqlplus is logged on first:SQL> conn scott/tiger;2. Table creation:Drop table users; create table users( id number(6) , name varchar2(30), constraint pk_id primary key(id) ); 3. Sequence creation:Create s

');View field information for a tableDESC table name; Show columns from table name;View all information for a tableShow create table table name;Add a PRIMARY KEY constraintALTER

Use dB; -- List all tables in the current database Show tables; Show tables like's % '; Create Table Name ( Column name type modification constraints, Sid int (3) unsigned zerofill primary key auto_increment Sgender Enum ('male', 'female ', 'confidential') default 'male' ) Engine = MyISAM default charset = utf8;

Tags: establishing required Oracle log includes SDN and cancels. comCREATE TABLE (including create primary key, foreign key, non-empty column, unique)-PROS-Blog Park http://www.cnblogs.com/CodingArt/articles/1621921.html ****************

---- Set a non-primary key to clustered index [Step 4] to: http://king123654789.iteye.com/blog/1169191 1. View All indexes. Clustered indexes are created on the primary key by default.Sp_helpindex person 2. -- delete the primary key