SQL – Useful Resources The following resources contain additional information on SQL. Please use them to get more in-depth knowledge on this topic. 36 Lectures 5 hours 15 Lectures 1.5 hours 40 Lectures 3 hours Khóa học lập trình tại Toidayhoc vừa học vừa làm dự án vừa nhận lương: Khóa học lập trình nhận […]
Author Archives: user
Discuss SQL SQL is a database computer language designed for the retrieval and management of data in a relational database. SQL stands for Structured Query Language. This tutorial will give you a quick start to SQL. It covers most of the topics required for a basic understanding of SQL and to get a feel of […]
SQL – Check Constraint Table of content The SQL CHECK Constraint The SQL CHECK constraint is used to add conditions on a column of a table. Once you add the check constraint on a column, it ensures that the data entered into the column meets the specified conditions. If a particular record does not meet […]