sql create table with foreign key

Create a role tableCREATE TABLE Nbctxp. Tbl_nbc_nonbankrole (ID BIGINT not NULL,ROLENAME VARCHAR (50),Createtime TIMESTAMP,UpdateTime TIMESTAMP,CONSTRAINT p_id PRIMARY KEY (ID));CREATE INDEX SQL150130091455900 on NBCTXP. Tbl_nbc_nonbankrole (ID);Let the primary key increment

--Get statements that disable all foreign KEY constraintsSelect 'ALTER TABLE [' +B.name+ '] NOCHECK CONSTRAINT' +A.name+';' asDisabling Constraints fromsysobjects A, sysobjects bwhereA.xtype='F' andA.parent_obj=b.id--get statements that enable all foreign key constraint

Common SQL change and query statements Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Select *, (case when type = 1 then (Select typename from tableatype where type = 1) When type = 2 then (Select typename from tableatype where type = 2) When type = 3 then (Select typename from tableatype where type = 3) Else (Select typename from tableatype where type = 4) End ) As typetmp from tablea =============

: 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 sequence aq1Start with 1Increment by 1Minvalue

Tags: column can from const reference constrain exec LIS ROM1. EXEC sp_fkeys ' TableName ' 2. SELECT Obj.name as Fk_name,Sch.name as [schema_name],Tab1.name as [table],Col1.name as [column],Tab2.name as [referenced_table],Col2.name as [Referenced_column]From Sys.foreign_key_columns FKCINNER JOIN sys.objects objOn obj.object_id = fkc.constraint_object_idINNER JOIN sys.tables Tab1On tab1.object_id = fkc.parent_object_idINNER JOIN Sys.schemas SchOn tab1.

Technorati label: before creating a table in PL/SQL, determine whether the table exists. Delete the execution statement of the table if any. Since PL/SQL is used for Oracle client operations, since SQL 2005 was used to execute "b

Org.datanucleus.ExecutionContextImpl.persistObjectWork (executioncontextimpl.java:2065) at Org.datanucleus.ExecutionContextImpl.persistObject (executioncontextimpl.java:1913) at Org.datanucleus.ExecutionContextThreadedImpl.persistObject (executioncontextthreadedimpl.java:217) at Org.datanucleus.api.jdo.JDOPersistenceManager.jdoMakePersistent (jdopersistencemanager.java:727) at Org.datanucleus.api.jdo.JDOPersistenceManager.makePersistent (jdopersistencemanager.java:752) at Org.apache.hadoop.hive

Li Wu:Heng Learn to think together, honouring teachers save Thanksgiving. Leaf See root three return to one, rivers the same oneness.Meekness Conscience Lord, willing to do without regrets to the most bitter. Reading exercises to keep the body and mind, sincere advice and the line and cherish. Data, data, Lingen on the data. You must be cautious about operating the database. Give the most bitter code here, and take a look at it, to have your own judgment. Meet the choice, or ashamed t

There are five types of constraints in SQL Server, Primary key constraints, Foreign key constraints, UNIQUE constraints, default constraints, and check constraints, which today use SQL Server2008 to demonstrate the way in which these constraints are created and used. What i

There are five types of constraints in SQL Server,Primary key constraints,Foreign key constraints,Unique constraints,Default constraints, and Check constraints, use SQL Server2008 today to demonstrate how these constraints are created and used. "Reprint"1.Primary

to the corresponding table query, do not care too much.Is all this tempting?Yes, then we can start creating a partitioned table.First, the first step in creating a partitioned table is to create a database filegroup, but this step can be omitted because you can use the primary file directly. But I personally think that, in order to facilitate management, you can

Tags: blog http io ar os using SP for strongpartition table in SQL Server 2005 (a): What is a partitioned table? Why use partitioned tables? How do I create a partitioned table? Category: SQL Server2009-12-03 10:17 15325 People re

Tags: style http color io strong for AR artAdd a table fieldALTER TABLE table1 add transactor varchar (ten) not Null;ALTER TABLE table1 add ID int unsigned not Null auto_increment primary keyModify the field type of a table and specify empty or non-emptyALTER TABLE name chan

that the constraint has been ignored and the table will still be created, but it does not have the foreign key constraint. Temporary tables cannot be referenced in the foreign key constraint. Consider using Table variables instea

, programmers only need to set up the query criteria, Ok,sql server will automatically go to the corresponding table query, do not care too much. Is all this tempting? Yes, then we can start creating a partitioned table. First, the first step in creating a partitioned table is to

CREATE TRIGGER Tr_borrow on borrowAfter INSERTAsIF ((select I.bno from INSERTED I) in (select BNO from BOOKS WHERE bname= ' b002 '))BEGININSERT Borrow_saveSELECT * from INSERTED IPRINT ' has backed up this record 'ENDELSEBEGINPRINT ' did not back up this record 'ENDSQL Written question: Create a trigger on the borrow table to complete the following functions: If

to the corresponding table query, do not care too much.Is all this tempting?Yes, then we can start creating a partitioned table.First, the first step in creating a partitioned table is to create a database filegroup, but this step can be omitted because you can use the primary file directly. But I personally think that, in order to facilitate management, you can

Tags: style http color io strong for AR Art Div www.169it.comAdd a table fieldALTER TABLE table1 add transactor varchar (ten) not Null;ALTER TABLE table1 add ID int unsigned not Null auto_increment primary keyModify the field type of a table and specify empty or

SQL: the primary key of a data table is of the varchar type and does not increase itself. how can I insert a primary key when inserting data? SQL: the primary key of a data table is of

At the beginning of this demand, in the online search, found all said no, you have to delete the primary key column and then re-add or create a temporary table before the data, in fact, can be directly modified in MySQL.Modify the ID field to self-increment the primary key:ALTER TABLE ' Test ' change ' ID ' ' id ' int