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Select all the records from a specific table ("Customers")
Example Explained SQL SELECT SELECT Column SELECT *Examples Explained SQL SELECT DISTINCT SELECT DISTINCT SELECT COUNT(DISTINCT column_name) SELECT COUNT(DISTINCT column_name) workaround for MS AccessExamples Explained SQL WHERE WHERE Clause Text Fields vs. Numeric FieldsExamples Explained SQL AND, OR and NOT Operators AND OR NOT Combining AND, OR and NOTExamples Explained SQL ORDER BY ORDER BY ORDER BY DESC ORDER BY Several ColumnsExamples Explained SQL INSERT INTO INSERT INTO Insert data in specific columnsExamples Explained w3schools CERTIFIED . 2022 Get Certified! Take the SQL exam and become w3schools certified!! $95 ENROLL SQL NULL Values IS NULL Operator IS NOT NULL OperatorExamples Explained SQL Update UPDATE Table UPDATE Multiple Records UPDATE Warning (if you omit the WHERE clause, all records will be updated)Examples Explained SQL DELETE DELETE DELETE All RecordsExamples Explained SQL SELECT TOP SELECT TOP LIMIT SELECT TOP PERCENT SELECT TOP and add a WHERE ClauseExamples Explained SQL MIN() and MAX() MIN() MAX()Examples Explained SQL COUNT, AVG() and SUM() COUNT() AVG() SUM()Examples Explained SQL LIKE LIKE - select all table rows starting with "a" LIKE - select all table rows ending with "a" LIKE - select all table rows that have "or" in any position LIKE - select all table rows that have "r" in the second position LIKE - select all table rows that starts with "a" and ends with "o" LIKE - select all table rows that does NOT start with "a"Examples Explained SQL Wildcards Using the % Wildcard Using the _ Wildcard Using the [charlist] Wildcard Using the [!charlist] WildcardExamples Explained SQL IN IN NOT INExamples Explained SQL BETWEEN BETWEEN NOT BETWEEN BETWEEN with IN BETWEEN Text Values NOT BETWEEN Text ValuesExamples Explained SQL Aliases Alias for Columns Two Aliases Alias for TablesExamples Explained SQL Joins INNER JOIN LEFT JOIN RIGHT JOIN Self JOINExamples Explained SQL UNION UNION UNION ALL UNION With WHERE UNION ALL With WHEREExamples Explained SQL GROUP BY GROUP BY GROUP BY and ORDER BY GROUP BY With JOINExamples Explained SQL HAVING HAVING and GROUP BY HAVING and ORDER BYExamples Explained SQL EXISTS EXISTSExample Explained SQL ANY and ALL ANY ALLExamples Explained SQL INSERT INTO SELECT INSERT INTO SELECT INSERT INTO SELECT with WHEREExamples Explained SQL CASE CASE 1 CASE 2Examples Explained SQL Comments Single Line Comments Single Line Comments At The End Of a Line Multi-line CommentsExamples Explained SQL DatabaseSQL Database tutorials can be found here: SQL Create DB SQL Drop DB SQL Backup DB SQL Create Table SQL Drop Table SQL Alter Table SQL Constraints SQL Not Null SQL Unique SQL Primary Key SQL Foreign Key SQL Check SQL Default SQL Index SQL Auto Increment SQL Dates SQL Views SQL Injection SQL Hosting Kickstart your careerGet certified by completing the course Get certified w3schools CERTIFIED . 2022 ❮ Previous Next ❯ |
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