Getting started with SQL SELECT JOIN Example Databases and Tables UPDATE Indexes CREATE TABLE UNION / UNION ALL ALTER TABLE CASE INSERT Primary Keys ORDER BY GROUP BY Filter results using WHERE and HAVING Window Functions Common Table Expressions Views LIKE operator Functions (Aggregate)DELETE String Functions Data Types AND & OR Operators Triggers TRUNCATE MERGE Foreign Keys Finding Duplicates on a Column Subset with Detail Sequence Comments Subqueries Execution blocks Stored Procedures DROP Table Row number Transactions CREATE FUNCTION SQL Group By vs Distinct Table Design cross apply, outer apply Synonyms CREATE Database SKIP TAKE (Pagination)EXPLAIN and DESCRIBE Information Schema IN clause NULL SQL Injection Cascading Delete Order of Execution DROP or DELETE Database EXCEPT TRY/CATCH XML GRANT and REVOKE Functions (Scalar/Single Row)Relational Algebra EXISTS CLAUSE Materialized Views Functions (Analytic)SQL CURSOR Identifier Clean Code in SQL

AND & OR Operators

AND OR Example

Have a table

Name	Age	City
Bob	10	Paris
Mat	20	Berlin
Mary	24	Prague

select Name from table where Age>10 AND City='Prague'

Gives

Name
Mary

select Name from table where Age=10 OR City='Prague'

Gives

Name
Bob
Mary

Syntax:

SELECT * FROM table WHERE (condition1) AND (condition2);
SELECT * FROM table WHERE (condition1) OR (condition2);

Contributors

Topic Id: 1386

Example Ids: 4517

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