-
Is a complete ban on sales a foregone conclusion? The apple was suddenly investigated, and Cook's heart was shattered
Since Steve Jobs released his first iPhone, Apple has quickly defeated Nokia and Motorola with its powerful A-series chips and smooth iOS system, becoming a new benchmark in the global mobile phone market. Under the operation of commercial genius Cook, the market value has exceeded $3 trillion, becoming the world's most valuable technology company...
Mobile Internet 2023-05-13 09:34:31 -
How to Convert Horizontal and Vertical Tables in SQL
catalogue1 Overview of Horizontal Tables2 Overview of the vertical table3 The code for converting a vertical table to a horizontal table is as follows and the view is displayed4 The code for converting horizontal table to vertical table is as follows and the view is displayed5 Advantages and disadvantages of horizontal and vertical tables6 Summary1 Overview of Horizontal TablesHorizontal table is a common way to create tables. For example, the table structure is primary key, field 1, field 2, and field 3…...
Database Operation Tutorial 2023-05-12 12:12:25
