Change the connection string to point to your SQL Server, and make sure that the Database argument is set to Master or blank. Press the F5 key or the CTRL+F5 key combination to run the project. Press 'C' and then press ENTER to create the database. Use the Server Explorer to verify that the database. Now, we will look out to execute a simple SQL query.Firstly, creating a table for the database: create table tb1(id number, name varchar(20); Now, establish the connection to the database then, after your con.connect; method you should use cmd.setCommandText method to pass the query to the database, it is as shown below.
In this chapter, you will learn how to use SQLite in C/C++ programs.
Installation
Before you start using SQLite in our C/C++ programs, you need to make sure that you have SQLite library set up on the machine. You can check SQLite Installation chapter to understand the installation process.
C/C++ Interface APIs
Following are important C/C++ SQLite interface routines, which can suffice your requirement to work with SQLite database from your C/C++ program. If you are looking for a more sophisticated application, then you can look into SQLite official documentation.
Connect To Database
Following C code segment shows how to connect to an existing database. If the database does not exist, then it will be created and finally a database object will be returned.
How To Create A Database In Access
Now, let's compile and run the above program to create our database test.db in the current directory. You can change your path as per your requirement.
If you are going to use C++ source code, then you can compile your code as follows −
Here, we are linking our program with sqlite3 library to provide required functions to C program. This will create a database file test.db in your directory and you will have the following result.
Create a Table
Boot camp mac faq. Following C code segment will be used to create a table in the previously created database −
How To Create A Database In Dev C++
When the above program is compiled and executed, it will create COMPANY table in your test.db and the final listing of the file will be as follows −
INSERT Operation
Following C code segment shows how you can create records in COMPANY table created in the above example −
When the above program is compiled and executed, it will create the given records in COMPANY table and will display the following two lines −
SELECT Operation
Before proceeding with actual example to fetch records, let us look at some detail about the callback function, which we are using in our examples. This callback provides a way to obtain results from SELECT statements. It has the following declaration −
If the above callback is provided in sqlite_exec() routine as the third argument, SQLite will call this callback function for each record processed in each SELECT statement executed within the SQL argument.
How To Make A Database In Dev C File
Following C code segment shows how you can fetch and display records from the COMPANY table created in the above example −
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When the above program is compiled and executed, it will produce the following result.
UPDATE Operation
Following C code segment shows how we can use UPDATE statement to update any record and then fetch and display updated records from the COMPANY table.
How To Make A Database In Dev C Pdf
When the above program is compiled and executed, it will produce the following result.
![]() DELETE Operation
Following C code segment shows how you can use DELETE statement to delete any record and then fetch and display the remaining records from the COMPANY table.
How To Make A Database In Dev C Online
When the above program is compiled and executed, it will produce the following result.
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