What is database describe with example?
A database is a data structure that stores organized information. For example, a company database may include tables for products, employees, and financial records. Each of these tables would have different fields that are relevant to the information stored in the table.
What is data description in DBMS?
Data definition commands are used to create, modify and remove database objects such as schemas, tables, views, indexes etc. Common Data Definition commands −
What is description in database table?
As the name suggests, DESCRIBE is used to describe something. Since in database we have tables, that’s why we use DESCRIBE or DESC(both are same) command to describe the structure of a table. Syntax: DESCRIBE one; OR DESC one; Note : We can use either DESCRIBE or DESC(both are Case Insensitive).
Is a description of the database structure?
Database structure: the building blocks of a database Within a database, related data are grouped into tables, each of which consists of rows (also called tuples) and columns, like a spreadsheet.
What are 3 examples of a database?
What are the types of databases?
- Examples: Microsoft SQL Server, Oracle Database, MySQL, PostgreSQL and IBM Db2.
- Examples: Apache Cassandra, MongoDB, CouchDB, and CouchBase.
- Examples: Microsoft Azure SQL Database, Amazon Relational Database Service, Oracle Autonomous Database.
What is database example?
Some examples of popular database software or DBMSs include MySQL, Microsoft Access, Microsoft SQL Server, FileMaker Pro, Oracle Database, and dBASE.
How would you describe the data in the database?
What Does Data Mean? Data, in the context of databases, refers to all the single items that are stored in a database, either individually or as a set. Data in a database is primarily stored in database tables, which are organized into columns that dictate the data types stored therein.
What is description table?
Describes either the columns in a table or the current values, as well as the default values, for the stage properties for a table. DESCRIBE can be abbreviated to DESC. ALTER TABLE , CREATE TABLE , SHOW TABLES. DESCRIBE VIEW.
How do you write a description of a table?
3 simple statments should do for a table description: one describing what the table holds, one describing the initial state of data in the table (empty or pre-filled), and one describing how data moves in/out of the table. I would also include the table’s cardinality/relationship to other important tables.
What makes a database a database?
A database is an organized collection of structured information, or data, typically stored electronically in a computer system. Data within the most common types of databases in operation today is typically modeled in rows and columns in a series of tables to make processing and data querying efficient.
Who is a description of a database structure data type and the constraints on the database?
A database generally stores its schema in a data dictionary. Although a schema is defined in text database language, the term is often used to refer to a graphical depiction of the database structure. In other words, schema is the structure of the database that defines the objects in the database.