meaning of field in database

Chapter Two I. Design of distributed Database System 1 Database design Overview Database design refers to the construction of an optimal database schema for a given application environment, the establishment of a database and its

1. Display the list of databasesshow databases; # View all current databasesShow Databases \g #以行的方式显示2. On the command line, execute the SQL statementMysql-e ' show databases '-uroot-p123456mysqlshow-uroot-p123456 # not used, just remember the one

Database Design tables and field naming rules (I have sorted them out. I hope you can give more suggestions) 1. database Table naming rules: (1) prefix should be added before the table name. The prefix of the table is an English abbreviation of the

The ORA-01084 invalid argument in OCI call error is always reported when data is inserted into the Oracle database because one of the field types in the table is CLOB and can be empty when the error is thrown when a null value is inserted into the

4. What are the categories of computers? What are their characteristics?Traditionally, there are three types: Large hosts, minicomputers, and minicomputers. Large hosts are generally high-performance parallel processing systems with large storage

The meaning and concept of Word field The word field's English meaning is a range, like a field in a database, which is actually some of the fields in a Word document. Each word field has a unique name, but it has a different value. First, we

Absrtact: With the development of application field and multimedia technology, people find many limitations and shortages of relational database, so database technology has entered the era of "post-relational database". The file database was born.

Chapter TwoI. Design of distributed database System 1 Database Design OverviewDatabase design is to construct the optimal database schema for a given application environment, establish the database and its application system so that it can store the

Specification | skill | design | data | database | Database design method, specification and skill (recommended) The process of database design Database technology is the most effective means of information resource management. Database design

Specification | skill | design | data | database | Database design method, specification and skill (recommended) The process of database design Database technology is the most effective means of information resource management. Database design