Untitled

When there are many databases inSQLSchema, to start an action you need to select the database to execute those rows. The USE command in SQL is used to select any existing database in SQL Schema. Syntax of the USE command in SQL USE ten_co_so_du_lieu; Ten_co_so_du_lieu must always be unique in theRDBMS Example of a USE …

Operators are reserved words or characters that are used primarily in the WHERE clause of the SQL statement to perform operations, such as comparing arithmetic operations. These operators are used to specify conditions in an SQL statement and serve as the delivery of many conditions in a statement.

RAM is no longer a strange concept to computer users.Today, we also talk about RAM but not the basic concept or usage, but about the most popular RAM technologies: DRAM, SRAM, SDRAM as well as newer RAM technologies. What is DRAM? DRAM stands for Dynamic random-access memory, a type of memory that is widely used …

In the previous article, you learned the basic SQL syntax, right?In this article, we will go over some of the data types in SQL. Like other languages,SQLalso has its own data types.The SQL Data Type is an attribute that defines the type of data of any object.Each column, every variable, an expression has a related …

The cheapest member of the P20 family that Huawei is launching has appeared, and surprisingly the product is notch style as the iPhone X. The leaked image shows that the P20 Lite is a mix of notch design on the Essential Phone and the iPhone X.

HTC is launching the new product is the HTC Desire 12 and Desire 12 Plus.Here are some specs of the HTC Desire 12 have also been revealed. According to the Android Headlines website, HTC is preparing to launch the new product is the HTC Desire 12 and Desire 12 Plus.Here are some specs of theHTC …

network troubleshooting is essential for any network administrator. When it comes to networking, it's important to have tools that can be used to fix many kinds of problems. Problems such as slow connections, lost connections

Bluetooth 5 - The next generation of Bluetooth wireless data transmission technology will be faster, farther and smarter as well as better adaptation in the IoT era. After the Galaxy S8 and S8 +, the next iPhone series and the Galaxy Note 8

RDBMS is not to be missed when learning about SQL.What is RDBMS?What components does it contain?We will learn together in this lesson offline. What is RDBMS? RDBMS Relational Database stands Management System (Management Systemdatabaserelations).RDBMS is the foundation forSQLas well as for all other database systems such as MS SQL Server, IBM DB2, Oracle, MySQL and …

Nokia 6 (2018)was launched in China in January, and today it was introduced at the Nokia Mobile event ahead of MWC 2018, with information that fans have been waiting for over the past few days: Nokia 6 (2018) will hit the shelves worldwide. The Nokia 6 (2018) is expected to hit the international market in …

SQL is the language for working with a database that includes many operations such as creating databases, deleting data, extracting data, modifying data, etc. In this series of articles, we will Learn the basics of SQL, create tables

(via https://www.youtube.com/watch?v=w0g529lXLxI)

(via https://www.youtube.com/watch?v=kYVqpCRkweo)