How do you write multiple conditions in an if statement in SQL?

Multiple IF conditions using ELSE

  1. — test if a condition is true. IF (condition is true) BEGIN.
  2. DO THING A. DO THING B. END.
  3. ELSE. BEGIN. DO THING C.
  4. DO THING D. DO THING E. END.

How do I add an IF condition in SQL query?

You can use CASE to implement IF-THEN-ELSE in PL/SQL – this is just an example: select case field1 WHEN ‘1’ THEN ‘VALUE1’ WHEN ‘2’ THEN ‘VALUE2’ ELSE ‘VALUEOTHER’ END, case field2 WHEN ‘1’ THEN ‘VALUE1’ WHEN ‘2’ THEN ‘VALUE2’ ELSE ‘VALUEOTHER’ END from ( select ‘1’ “FIELD1”, ‘2’ “FIELD2” from dual );

Can we use 2 where clause in SQL?

Example – Two Conditions in the WHERE Clause (OR Condition) You can use the OR condition in the WHERE clause to test multiple conditions where the record is returned if any one of the conditions are met.

Can you multiply in SQL?

The SQL multiply ( * ) operator is used to multiply two or more expressions or numbers.

How many else clauses can an if statement have?

An IF statement can have any number of ELSIF clauses; the final ELSE clause is optional. Boolean expressions are evaluated one by one from top to bottom. If any expression returns TRUE , its associated sequence of statements is executed and control passes to the next statement.

How do I combine two SELECT queries in SQL with different columns?

The UNION operator is used to combine the result-set of two or more SELECT statements.

  1. Every SELECT statement within UNION must have the same number of columns.
  2. The columns must also have similar data types.
  3. The columns in every SELECT statement must also be in the same order.

How do you add and multiply in SQL?

Plus(+), minus(-), multiply(*), and divide(/). Name of the table….Arithmetic Operators.

Operator Meaning Operates on
+ (Add) Addition Numeric value
– (Subtract) Subtraction Numeric value
* (Multiply) Multiplication Numeric value
/ (Divide) Division Numeric value

What is if statement in SQL?

The Transact-SQL statement that follows an IF keyword and its condition is executed if the condition is satisfied: the Boolean expression returns TRUE. The optional ELSE keyword introduces another Transact-SQL statement that is executed when the IF condition is not satisfied: the Boolean expression returns FALSE.

What are the conditions in SQL?

SQL IN Condition Statement. SQL IN condition used to allow multiple value in a WHERE clause condition. SQL IN condition you can use when you need to use multiple OR condition. SQL IN condition allow only specific value in INSERT, UPDATE, DELETE, SELECT statement.

Where with multiple conditions SQL?

The OR operator is used to combine multiple conditions in an SQL statement’s WHERE clause. Syntax. You can combine N number of conditions using the OR operator. For an action to be taken by the SQL statement, whether it be a transaction or query, the only any ONE of the conditions separated by the OR must be TRUE.

Where statement in SQL query?

Where (SQL) WHERE clauses are not mandatory clauses of SQL DML statements, but can be used to limit the number of rows affected by a SQL DML statement or returned by a query. In brief SQL WHERE clause is used to extract only those results from a SQL statement, such as: SELECT, INSERT, UPDATE, or DELETE statement.