Correct SQL expression when looping different fields

What is the correct syntax of WHILE loop in SQL?

SQL While loop syntax



The while loop in SQL begins with the WHILE keyword followed by the condition which returns a Boolean value i.e. True or False. The body of the while loop keeps executing unless the condition returns false. The body of a while loop in SQL starts with a BEGIN block and ends with an END block.
 

How do you handle multiple conditions in SQL?

The SQL AND & OR operators are used to combine multiple conditions to narrow data in an SQL statement. These two operators are called as the conjunctive operators. These operators provide a means to make multiple comparisons with different operators in the same SQL statement.

What is the meaning of like ‘_ a %’?

Returns records whose FirstName value contains two characters and the second character must be ‘a’ or ‘A’. FirstName LIKE ‘_a%’ Returns records whose FirstName value contains the second characters ‘a’ or ‘A’. FirstName LIKE ‘%a_’ Returns records whose FirstName value has the second last character is either ‘a’ or ‘A’.

What are 3 types of loops in SQL?

There are 4 types of PL/SQL Loops.

• Basic Loop / Exit Loop.
• While Loop.
• For Loop.
• Cursor For Loop.

What is correct syntax of for loop *?

for(initialization; condition; increment/decrement){ //statement or code to be executed. }

What is the syntax for looping?

Syntax of a For Loop



The for loop starts with a for statement followed by a set of parameters inside the parenthesis. The for statement is in lower case. Please note that this is case sensitive, which means the for command always has to be in lower case in C programming language.
 

How do you use multiple conditions in a for loop?

Note: You cannot use multiple test conditions separated by comma, you must use logical operator such as && or || to join conditions. 3. It has two variables in increment part. Note: Should be separated by comma.

Which statement is used for multiple conditions?

Nested If Statement



It is used to check the multiple conditions. This statement is like executing an if statement inside an else statement.
 

What is the correct way of checking multiple conditions?

Here we’ll study how can we check multiple conditions in a single if statement. This can be done by using ‘and’ or ‘or’ or BOTH in a single statement. and comparison = for this to work normally both conditions provided with should be true. If the first condition falls false, the compiler doesn’t check the second one.
 

Which of the following syntax is correct for while loop?

7. Which of the following is correct syntax for WHILE LOOP? Explanation: WHILE loop can be declared by using an optional label followed by the keyword WHILE. After writing WHILE, the condition must be written, the loop will execute until the condition will be true.

What is while loop write in syntax?

A “While” Loop is used to repeat a specific block of code an unknown number of times, until a condition is met. For example, if we want to ask a user for a number between 1 and 10, we don’t know how many times the user may enter a larger number, so we keep asking “while the number is not between 1 and 10”.

In which Following are syntax of while loop?

The syntax of while loop in c language is given below: while(condition){ //code to be executed. }