How do you input a loop in PL SQL?
10 LOOP INSERT INTO TAB (col1, col2, col3, col4, col5) VALUES (num1, num2, num3, num4, num5); END LOOP; COMMIT; END; / Enter value for num1: 1 old 2: num1 NUMBER (10) := &num1 new 2: num1 NUMBER (10) := 1; Enter value for num2: 2 old 3: num2 NUMBER (10) := &num2 new 3: num2 NUMBER (10) := 2; Enter value for num3: 3 …
What is FOR LOOP in PL SQL?
A FOR LOOP is a repetition control structure that allows you to efficiently write a loop that needs to execute a specific number of times.
Can we use loop in Oracle SQL?
What is For Loop? “FOR LOOP” statement is best suitable when you want to execute a code for a known number of times rather than based on some other conditions. In this loop, the lower limit and the higher limit will be specified and as long as the loop variable is in between this range, the loop will be executed.
What are the types of PL SQL loops?
PL/SQL provides four kinds of loop statements: basic loop, WHILE loop, FOR loop, and cursor FOR loop.
How do you accept user input during runtime in PL SQL?
To read the user input and store it in a variable, for later use, you can use SQL*Plus command ACCEPT . sir is it possible to take input directly, without using SQLPLUS. Then make your X variable a bind variable. For example: a := :x.
How do you input in SQL?
The general syntax for inserting data in SQL looks like this:
- INSERT INTO table_name.
- ( column1 , column2 , . . . columnN )
- VALUES.
- ( value1 , value2 , . . . valueN );
What is nested loop in PL SQL?
Advertisements. PL/SQL allows using one loop inside another loop. Following section shows a few examples to illustrate the concept.
Can we use basic loop in Plsql?
Basic loop or simple loop is preferred in PL/SQL code when there is no surety about how many times the block of code is to be repeated. When we use the basic loop the code block will be executed at least once.
How do I prompt in Oracle SQL?
PROMPT
- PRO[MPT] [text]
- where text represents the text of the message you want to display.
- Sends the specified message or a blank line to the user’s screen. If you omit text, PROMPT displays a blank line on the user’s screen.
How can we provide value to a program during runtime in Oracle?
To make the program more flexible, you can write the program so that a user can supply input data at runtime. When you prepare a SQL statement or PL/SQL block that contains input data to be supplied at runtime, placeholders in the SQL statement or PL/SQL block mark where data must be supplied.
What value is stored in I at the end of this loop for int i 1 i <= 10 i ++)?
Explanation: In the above for loop, the loop will starts from 1 and stops at 10, so the answer of the following question is 10.
Can we use loop in select statement in SQL?
We can use the While loop to simulate the use of For loop. In this section, we will use a loop to iterate over the resultset returned by the SQL Server. We have a table named Persons. We will use a Select statement to retrieve data from this table and fetch this data row by row within a loop.
What is a nested loop give an example?
A nested loop is a (inner) loop that appears in the loop body of another (outer) loop. The inner or outer loop can be any type: while, do while, or for. For example, the inner loop can be a while loop while an outer loop can be a for loop.
How to implement a for loop in SQL?
Usually, we maintain a counter variable that will be incremented or decremented inside the while loop to implement the for loop like functionality using while loop in SQL. The condition is provided in such a way that the execution of statements inside the while loop continues until the value of the counter variable reaches the ending value.
What does PL SQL do?
Reserved Words. Some identifiers,called reserved words,have a special syntactic meaning to PL/SQL and so should not be redefined.
What is PL SQL programming?
PL/SQL stands for “Procedural Language/Standard Query Language”.
How to loop SELECT query result in SQL?
Syntax. To view Transact-SQL syntax for SQL Server 2014 and earlier,see Previous versions documentation.