Data Manipulation Language - statement used to insert, update or delete records in a table, Data Definition Language - used to define the structures like schema, database, tables, constraints, constraints - certain types of restrictions on the data values that an attribute can have., primary key - a field in a table which uniquely identifies each row/record in a database table, data type - the type of data value that an attribute can have, foreign key - a key used to link two tables together, update - modifies records, Structured Query Language - a computer language for storing, manipulating and retrieving data stored in relational database, field - column in a table that is designed to maintain specific information about every record in the table., insert - creates a record,

Introduction to SQL

طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟