DavisBase

Java | A simple database engine that is based on the file-per-table variation of the SQLite file format. Supported functions: Create Database, Drop Database, Show Databases, Create Table, Drop Table, Show Tables, Select Star, Select-From-Where, Insert, Update, Delete

Supported Commands

Type 'help;' to display supported commands. All commands are case insensitive.

USE database_name;                               Changes current database.
CREATE DATABASE database_name;                   Creates an empty database.
SHOW DATABASES;                                  Displays all databases.
DROP DATABASE database_name;                     Deletes a database.
SHOW TABLES;                                     Displays all tables in current database.
DESC table_name;                                 Displays table schema.
CREATE TABLE table_name (                        Creates a table in current database.
	<column_name> <datatype> [PRIMARY KEY | NOT NULL]
	...);
DROP TABLE table_name;                           Deletes a table data and its schema.
SELECT <column_list> FROM table_name             Display records whose rowid is <id>.
	[WHERE rowid = <value>];
INSERT INTO table_name                           Inserts a record into the table.
	[(<column1>, ...)] VALUES (<value1>, <value2>, ...);
DELETE FROM table_name [WHERE condition];        Deletes a record from a table.
UPDATE table_name SET <conditions>               Updates a record from a table.
	[WHERE condition];
VERSION;                                         Display current database engine version.
HELP;                                            Displays help information
EXIT;                                            Exits the program