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Changes for page SQL Query

Last modified by Danniar Firdausy on 2024/09/18 20:00
From version 9.6
edited by Danniar Firdausy
on 2024/09/18 19:59
Change comment: There is no comment for this version
To version 9.7
edited by Danniar Firdausy
on 2024/09/18 20:00
Change comment: There is no comment for this version

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9 9  
10 10  == 2. Key concepts ==
11 11  
12 -Each type of external database will need specific queries to perform actions on the database level. Mostly we see that SQL queries are needed; therefore, we focus on them in this microlearning. In terms of CRUD operations on the database, the SQL language defines the following:
12 +Each type of external database will need specific queries to perform actions on the database level. Mostly we see that SQL queries are needed; therefore, we focus on them in this microlearning.
13 13  
14 -* INSERT = Create
15 -* SELECT = Read
16 -* UPDATE = Update
17 -* DELETE = Delete
18 -
19 -These basic operations on the database level should allow you to perform the action you want.
20 -
21 21  == 3. SQL Query ==
22 22  
23 23  In this microlearning, we will learn the basics of SQL queries. With the help of this information, you can start writing the correct queries to retrieve and write data from and to a database. Just as with REST web services, the CRUD operations are represented within the SQL language. They are described as follows: