WebbThe cursor FOR LOOP statement is an elegant extension of the numeric FOR LOOP statement. The numeric FOR LOOP executes the body of a loop once for every integer value in a specified range. Similarly, the cursor FOR LOOP executes the body of the loop once for each row returned by the query associated with the cursor. WebbThis Book Basic LOOP Statement With each iteration of the basic LOOP statement, its statements run and control returns to the top of the loop. The LOOP statement ends …
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WebbOracle While Loop can be defined as an entry controlled loop (A loop is defined as a sequence of instructions which gets executed repeatedly) which means the body of the loop will not be executed even once if the exit condition which is present at the very beginning of the loop is not satisfied since the exit condition is checking before the loop … WebbIn Oracle, the IF-THEN-ELSE statement is used to execute code when a condition is TRUE, or execute different code if the condition evaluates to FALSE. Syntax There are different syntaxes for the IF-THEN-ELSE statement. Syntax (IF-THEN) The syntax for IF-THEN in Oracle/PLSQL is: IF condition THEN {...statements to execute when condition is TRUE...} outward eye movement
Basic LOOP Statement - Oracle
Webb4 nov. 2024 · The SELECT statement identifies all the employees in a department. The UPDATE statement executes for each of those employees, applying the same percentage increase to all. In such a simple scenario, a cursor FOR loop is not needed at all. I can simplify this procedure to nothing more than the code in Listing 2. WebbThe EXIT statement exits the current iteration of a loop, either conditionally or unconditionally, and transfers control to the end of either the current loop or an enclosing labeled loop. Restriction on EXIT Statement An EXIT statement must be inside a LOOP statement. Topics Syntax Semantics Examples Related Topics Syntax exit_statement ::= WebbSummary: in this tutorial, you will learn how to use the PL/SQL IF statement to either execute or skip a sequence of statements based on a specified condition.. The IF statement allows you to either execute or skip a sequence of statements, depending on a condition. The IF statement has the three forms: – IF THEN – IF THEN ELSE – IF THEN … raisin is a grape