How many else clauses can an if statement have in PL SQL?

How many else clauses can an if statement have in PL SQL?

It’s ELSIF, not ELSEIF. An IF-THEN statement can have zero or one ELSE’s and it must come after any ELSIF’s. An IF-THEN statement can have zero to many ELSIF’s and they must come before the ELSE.

Which of the following is the correct syntax for IF statement in Plsql?

Syntax for IF THEN Statements: IF THEN -executed only if the condition returns TRUE END if; In the above syntax, keyword ‘IF’ will be followed by a condition which evaluates to ‘TRUE’/’FALSE’. The control will execute the only if the condition returns .

How many types of indexes are there in PL SQL?

Index Types in Oracle Database There are 2 types of index types that are commonly used in Oracle Database as follows.

Which of the following is equivalent to multiple if Elsif statements?

Explanation: It is possible to have multiple ELSIF parts within one IF – END IF block. The IF statement can have multiple ELSIF parts but can have only one ELSE statement part. ELSE part will be executed after each of the ELSIF part is checked and found to be FALSE. 11.

How many types of PL SQL loops are there?

four kinds
PL/SQL provides four kinds of loop statements: basic loop, WHILE loop, FOR loop, and cursor FOR loop.

What are the different types of IF statement?

There are three forms of IF statements: IF-THEN , IF-THEN-ELSE , and IF-THEN-ELSIF .

What is the structure of IF THEN ELSE in PL/SQL?

PL/SQL IF THEN ELSE statement. The IF THEN ELSE statement has the following structure: IF condition THEN statements; ELSE else_statements; END IF ; If the condition evaluates to TRUE, then the statements between THEN and ELSE execute.

What is an index type in Oracle?

An index type provides an efficient mechanism to access data that satisfy certain operator predicates. Typically, the user-defined index type is part of an Oracle option, like the Spatial option.

What are the different types of if statements in PL/SQL?

PL/SQL IF Statement 1 IF THEN:#N#The simplest version of the IF statement is this. Whether the collection of statements between THEN and END… 2 IF THEN ELSE:#N#This combination provides either/or logic: run the code between THEN and ELSE or ELSE and END IF,… 3 IF THEN ELSIF ELSE: More

What are indexes in SQL Server?

Indexes are logically and physically independent of the data in the associate table. Indexes are optional structures associated with tables and clusters. You can create indexes on one or more columns of a table to speed SQL statement execution on that table. Indexes are the primary means of reducing disk I/O when properly used.