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SQLite - AND & OR Operators
SQLite AND & OR operators are used to compile multiple conditions to narrow down the selected data in an SQLite statement. These two operators are called conjunctive operators.
These operators provide a means to make multiple comparisons with different operators in the same SQLite statement.
The AND Operator
The AND operator allows the existence of multiple conditions in a SQLite statement's WHERE clause. While using AND operator, complete condition will be assumed true when all the conditions are true. For example, [condition1] AND [condition2] will be true only when both condition1 and condition2 are true.
Syntax
Following is the basic syntax of AND operator with WHERE clause.
SELECT column1, column2, columnN FROM table_name WHERE [condition1] AND [condition2]...AND [conditionN];
You can combine N number of conditions using AND operator. For an action to be taken by the SQLite statement, whether it be a transaction or query, all conditions separated by the AND must be TRUE.
Example
Consider COMPANY table with the following records −
ID NAME AGE ADDRESS SALARY ---------- ---------- ---------- ---------- ---------- 1 Paul 32 California 20000.0 2 Allen 25 Texas 15000.0 3 Teddy 23 Norway 20000.0 4 Mark 25 Rich-Mond 65000.0 5 David 27 Texas 85000.0 6 Kim 22 South-Hall 45000.0 7 James 24 Houston 10000.0
Following SELECT statement lists down all the records where AGE is greater than or equal to 25 AND salary is greater than or equal to 65000.00.
sqlite> SELECT * FROM COMPANY WHERE AGE >= 25 AND SALARY >= 65000; ID NAME AGE ADDRESS SALARY ---------- ---------- ---------- ---------- ---------- 4 Mark 25 Rich-Mond 65000.0 5 David 27 Texas 85000.0
The OR Operator
The OR operator is also used to combine multiple conditions in a SQLite statement's WHERE clause. While using OR operator, complete condition will be assumed true when at least any of the conditions is true. For example, [condition1] OR [condition2] will be true if either condition1 or condition2 is true.
Syntax
Following is the basic syntax of OR operator with WHERE clause.
SELECT column1, column2, columnN FROM table_name WHERE [condition1] OR [condition2]...OR [conditionN]
You can combine N number of conditions using OR operator. For an action to be taken by the SQLite statement, whether it be a transaction or query, only any ONE of the conditions separated by the OR must be TRUE.
Example
Consider COMPANY table with the following records.
ID NAME AGE ADDRESS SALARY ---------- ---------- ---------- ---------- ---------- 1 Paul 32 California 20000.0 2 Allen 25 Texas 15000.0 3 Teddy 23 Norway 20000.0 4 Mark 25 Rich-Mond 65000.0 5 David 27 Texas 85000.0 6 Kim 22 South-Hall 45000.0 7 James 24 Houston 10000.0
Following SELECT statement lists down all the records where AGE is greater than or equal to 25 OR salary is greater than or equal to 65000.00.
sqlite> SELECT * FROM COMPANY WHERE AGE >= 25 OR SALARY >= 65000; ID NAME AGE ADDRESS SALARY ---------- ---------- ---------- ---------- ---------- 1 Paul 32 California 20000.0 2 Allen 25 Texas 15000.0 4 Mark 25 Rich-Mond 65000.0 5 David 27 Texas 85000.0