peoplesoft database tables

diagram of the information system, because its design and painting is not the only, as long as it covers the business scope and functional content of the system requirements, is feasible. Instead, modify the E-R diagram. Although it does not have the only standard answer, it does not mean that it can be designed at will. A good e-chart standard is: clear structure, concise Association, moderate number of entities, reasonable attribute allocation, and no low-level redundancy. 10. View technology

Mysql database learning (III): crud operations, integrity constraints, select single-table queries, select multi-table queries bitsCN.com I. table crud operationsIt refers to the addition (Create), query (Retrieve) (obtain data again), Update (Update), and Delete (Delete). // The select query will be discussed later. SQL Code 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Create table

Check and fix the specific mysql database table method bitsCN. com01 #! /Bin/sh 02 # Code by scpman 03 # Function: check and fix mysql database tables 04 # Add the script to the timer. when the script is executed, it will read the database, list all the tables to be repaired

Troubleshooting logic: 1. first, set the tables in the database that contain foreign key constraints to invalid state 2. after all the table data is cleared, the foreign key constraint table is set to available. Specific implementation Script: declarebeginforvv_sqlin (SELECTALTERTABLE | table_name | DISABLECONSTRAINT | CONSTRAINT_NAMEalter_ SQL Troubleshooting logic: 1. first, set the

Add new fields (columns) and MYSQL fields to the existing tables in the mysql database. -- Note: MYSQL has never been used recently because of the need for projects. Although it is used by small and medium-sized enterprises and network companies, it is mainly used across platforms and has a low purchase cost, upgraded to open-source. Therefore, it occupies most of the market share. Alter table '

SQL statement bitsCN.com used by MySQL to query the disk space used by all databases and the size of all tables in a single database SQL statement used to query the disk space of all databases: Select TABLE_SCHEMA, concat (truncate (sum (data_length)/1024/1024, 2), 'mb') as data_size,Concat (truncate (sum (index_length)/1024/1024, 2), 'mb') as index_sizeFrom information_schema.tablesGroup by TABLE_SCHEMAO

How does PHP assign column values of database tables to arrays? $ Myquery = @ mysql_query ( quot; select * fromdb_select quot;) ordie ( quot; query statement execution failed! Quot;); $ cnt = mysql_num_rows ($ myquery); for ($ I = 0; $ I lt; $ c PHP how to assign the column values of database tables to arrays? $ My

-- SQL creates a primary key for all user data tables in the database-- Primary key Description: The name is ID, and the data type is Integer auto-increment. -- Query all constraints of the current database before creationSelect * From information_schema.key_column_usage Declare @ tablename nvarchar (250)Declare @ columnname nvarchar (250)Set @ columnname = '

Step 1: First reverse engineering, file-reverse engineering-database (load data tables from the database, field = Information) Select a database type. For example, if I use Oracle 9i Next, let's select an ODBC data source, as I have already created. If not, create a new one: The

1. system table sysobjects Each object created in the database (such as constraints, defaults, logs, rules, and stored procedures) corresponds to one row. Column Name Data Type Description Name sysname Object Name Id Int Object identification number Xtype char (2) Object type. Can be one of the following object types: AF = aggregate function (CLR) C = CH

Data | database | index -- --Arrangedb.sql Reorganization Database -- --Copyrights @2003.12.29 Digital-Management System Co., Ltd. -- --Restructuring process: Add clustered index to all user tables so that SQL Server will restructure the table and then --and then delete the index -- --Use time: daily maintenance, recommend a weekly reorganization. -- --NOTE: Plea

Tags: nullable data The Precision database SYS returns to CAS serverThe code looks like this:/*********************************sqlserver queries All tables in the database and their field properties *********************************/SELECT( Case whenA.colorder= 1 ThenD.nameELSE "' END) asTable name,--returns null if the table name is the sameA.colorder

Tags: NEC user connect Delete flag code SEL ERR thisProblem descriptionUse VBA to remove the structure of all tables in the MySQL database into an Excel documentFirst create a MySQL data source, how to create a data source in the previous chapter has been written, and then fill in the following information can beDescriptionDSN is the name of the data source you createdServer is your local databaseDB is the

Tags: database data storage1. Definition, deletion and modification of basic tables(1) Defining a basic tableCREATE table [,......[, Table-level integrity constraints;])Such as: Create a "student" table studentCREATE TABLE Student(Sno int primary KEY auto_increment,/* column-level integrity constraints, Sno is the main code, integer, Auto-increment */Sname varchar (a) unique,/*sname take a unique value */ S

Codeigniter has been used for some time and has not been summarized. Now I will summarize some Optimization Methods for Codeigniter to operate database tables. Although not all, it can help those who have just started CI. Link Database Copy codeThe Code is as follows: $ this-> load-> database (); // manually connect to

This article introduces the problem caused by an illegal hardware shutdown.MySQL databaseOfData Table Corruption, An instance where the database cannot run normally. The next step is the author's troubleshooting process. Let's take a look at it. The procedure for troubleshooting and repairing data tables is as follows: 1. When you access the webpage, an error is displayed, indicating that the

Database character rules It consists of 26 English letters (case sensitive) and 0-9 Natural Numbers, 63 characters in total. No other characters are allowed (except comments ). Database object naming rules Database objects include tables, views (queries), stored procedures (parameter queries), functions, and cons

Database-create databases, basic tables, and views, Use triggers, and view triggers I. Create a database Create database database_name; // create a database Drop database database_name; // delete a