Chapter-21: Loop (Simple / Basic , While & Repeat loop) in SQL with example | MySQL database скачать в хорошем качестве

Chapter-21: Loop (Simple / Basic , While & Repeat loop) in SQL with example | MySQL database

Loop (Simple / Basic , While & Repeat loop) in SQL with example | MySQL database 📺 YouTube :    / @all_about_data_   📷 Instagram :   / allabout_da.  . 📺Google Drive : https://drive.google.com/drive/folder... A loop in SQL is a programming construct that allows you to execute a block of code multiple times. There are three main types of loops in SQL: There are three main types of loops in SQL: Simple loop WHILE loop REPEAT loop Simple loop A simple loop is a loop that executes a block of code multiple times, until a specific condition is met. The syntax for a simple loop is as follows: SQL LOOP -- Code block to be executed EXIT WHEN condition; END LOOP; Use code with caution. Learn more The EXIT WHEN statement terminates the loop when the condition is met. If the condition is not met, the loop will continue to execute the code block. WHILE loop A WHILE loop is a loop that executes a block of code while a condition is true. The syntax for a WHILE loop is as follows: SQL WHILE condition BEGIN -- Code block to be executed END; Use code with caution. Learn more The code block will be executed repeatedly, as long as the condition is true. When the condition becomes false, the loop will terminate. REPEAT loop A REPEAT loop is a loop that executes a block of code at least once, and then continues to execute the block of code as long as a condition is true. The syntax for a REPEAT loop is as follows: SQL REPEAT -- Code block to be executed UNTIL condition; Use code with caution. Learn more The code block will be executed at least once, even if the condition is false. The loop will then continue to execute the code block as long as the condition is true.