teradata create table with primary key

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

You cannot create one. the error of the frm file seems to imply an error in the file permission of the operating system or other reasons, but in fact, none of these are actually. In fact, this mysql error has been reported as a mysql bug and has been found in the mysql developer list for many years. However, this seems misleading.In many instances, this error occurs because mysql has never been able to support the problem, unfortunately, it does not s

The content of this article• Software Environment• Simple demonstration of Oracle database concurrency causing row-level locksThis article provides a simple demonstration of row-level locks that are caused by concurrency for table primary keys. Concurrency is a modification of the same data by more than two users (including inserts, deletions, and modifications). The lock is generated because of concurrency

Create a tableCREATE TABLE T_ (USER_ID number NOT NULL primary key,User_name VARCHAR2 (30),Credits number,User_password VARCHAR2 (32),Last_visit date,Last_ip VARCHAR2 (23)) Create a sequence for this table

SQL statement query table name/column name/primary key/Auto grow value in database ----A table created by a user in a query database ----JSJ01 as database name Select name tablename from JSJ01. sysobjects where type= ' U ' and name not in (' dtproperties ') --field information in the query

self-increment policy, set the Id3, dynamic splicing SQL statementThe concatenation method of the list parameter in MyBatis (Idlist is the incoming list type parameter) The use of the 4,exists function5,mysql creating new users and authorizing related tablesMysql Local Installation path:/usr/local/mysql/bin/mysql-u root-p Create a new userCreate user admin identified by ' admin ';Authorized:Grant all on db32.* to admin;MyBatis returns the ID of the s

In an Oracle database, setting ID auto-increment is not as simple as MySQL, and a sequence needs to be set in Oracle.Now give the way, specifically as follows:First step: Create a tableCREATE TABLE Contestdb ( TID number () PRIMARY KEY, teamnum varchar () null, marknum varchar (+) Step two: Set ID se

Label:exenotseledropclass prerop CREATE TABLE create sequence --CREATE TABLE Bonus_benchmark_ VALUE---------------------------------------------------------------declare num number; Begin select COUNT (1) into NUM from user_tables WHERE table_name = UPPER (' Bonus_benc

When we upgraded our products from SPC100 to SPC200, we needed to write SQL scripts to complete the database upgrade because the data types of the database table columns changed. The primary key column ID for table t_mobile_indvconfig needs to be changed from VARCHAR2 (100) to Number (17). You can refer to the followin

Tags: style blog color ar sp data div on logMySQL database table self-increment primary key ID is messed up and needs reordering.Principle: Delete the original self-increment ID and re-establish the new self-increment ID.1. Delete the original primary key:ALTER TABLE DROP '

1, for some already exist the joint primary key, first delete.Alter Table Drop Primary key;2. Then add the ID to the first row of the table with the name pk_idAlter Table Add bigint (no

Sometimes a primary key may be missing from an earlier table, which can easily lead to a slow query or master-slave replication.Here is a small script to find a table without a primary key.#!/bin/bash# Find a

Label:PostgreSQL see which references to the current table are referenced as reference tables--pg_constraint.contype:p (primary key), F (foreign key), U (unique), C (check)--View the current table IDSELECT OID, relname from pg_class WHERE relname = ' syslogfilter ';--View th

1. Create a table Copy Code code as follows: Createtabletest_increase ( Useridnumber (Ten) notnullprimarykey,/* primary key, automatically increase * * USERNAMEVARCHAR2 (20) ); 2. Create automatic growth sequence Copy Code code as follows

Oracle Build table, build primary key, self-increment--Build a tableCREATE TABLE Test (ID Number (4) Not null primary key,Name VARCHAR2 (25))--SequenceCreate sequence Test_sequenceIncrement by for each increase of severalStart wit

Label: --increase the primary key ID Alter TableClerk_compareAddId Number( -); --set sequence to make the ID self-increment Createsequence seq_id MinValue1MaxValue999999999Start with 1; --set the value of the ID to sequence UpdateClerk_compareSetId=Seq_id.nextval;Commit; --set ID as primary key Alter TableClerk_compare

/zhangjk1993/article/details/400175832. The XML file used here is mapped to ensure that the entity class name and the corresponding mapping file name are consistentPackage Util;import Java.util.iterator;import Org.hibernate.cfg.configuration;import org.hibernate.mapping.Column; Import Org.hibernate.mapping.persistentclass;import Org.hibernate.mapping.property;import Org.springframework.beans.beansexception;import Org.springframework.context.applicationcontext;import Org.springframework.context.a

Cause: The reason is that the SAP database is inconsistent with the underlying dataWorkaround: Go to SE14, click Database Adjustment, go back to reactivate on line.If the correction error must be your original database table built a problem:Problems:1. Amount, quantity to fill in the reference field. Amount Reference: T001 waers, quantity reference Ekpo Meins.2. The primary

In order to experiment with duplicate data, a design is not very good (no primary key) table and insert some duplicate data:Create Database testdbuse testdb; gocreate table DUPSNOPK (Col1 int null, Col2 char (5) null); Goinsert DUPSNOPK (col1,col2) Va Lues (1, ' abc '), (2, ' abc '), (2, ' abc '), (2, ' abc '), (7, ' X

This article does not place the stored procedure instance.This is the most time-consuming problem I have encountered in developing a stored procedure, and the stored procedure can run, but the result is not what you want,For a long time, it was found that the ID in this sentence was a curse: SET projectinfoid = (SELECT ID from temp. Project_info p WHERE 1=1 and p.issue_key = Projectkey);Change to p.id is OK.To develop good habits, remember to use the X.XX format when writing, and avoid unnecessa