Recent questions tagged sql

1 answer 29 views

How to generate 1 letter URLs and INSERT INTO MySQL with PDO in PHP

asked Nov 2, 2016 by avibootz

1 answer 12 views

How delete all rows that have a field with more than N characters in MySQL with SQL

asked Oct 2, 2016 by avibootz

1 answer 7 views

How to get the length (count how many characters) of a field in MySQL with SQL

asked Oct 2, 2016 by avibootz

1 answer 9 views

How to return rows in random order in MySQL with SQL

asked Sep 19, 2016 by avibootz

1 answer 8 views

How to order by two columns in SQL and MySQL

asked Sep 18, 2016 by avibootz

1 answer 21 views

How to use SQL INSERT INTO and UPDATE ON DUPLICATE KEY (to avoid duplicate error) in MySQL with PDO in PHP

asked Sep 13, 2016 by avibootz

1 answer 8 views

How to find all the max values of a field in MySQL table with SQL

asked Sep 11, 2016 by avibootz

2 answers 16 views

How to find the max value of a field in MySQL table with SQL

asked Sep 11, 2016 by avibootz

3 answers 34 views

How to format SQL NOW() Function (current system date and time) in MySQL

asked Oct 14, 2015 by avibootz

1 answer 18 views

How to use SQL NOW() Function (current system date and time) in MySQL

asked Oct 13, 2015 by avibootz

3 answers 23 views

How to use SQL ROUND() Function in MySQL

asked Oct 12, 2015 by avibootz

2 answers 29 views

What is the different between SQL LENGTH() and CHAR_LENGTH() Functions in MySQL

asked Oct 11, 2015 by avibootz

2 answers 16 views

How to use SQL CHAR_LENGTH() Function in MySQL

asked Oct 10, 2015 by avibootz

2 answers 18 views

How to use SQL LENGTH() Function in MySQL

asked Oct 10, 2015 by avibootz

4 answers 19 views

How to use SQL MID() and SUBSTRING() functions in MySQL

asked Oct 9, 2015 by avibootz

1 answer 24 views

How to use SQL LCASE() function in MySQL

asked Oct 8, 2015 by avibootz

1 answer 21 views

How to use SQL UCASE() function in MySQL

asked Oct 7, 2015 by avibootz

1 answer 17 views

How to use SQL HAVING Clause in MySQL

asked Oct 6, 2015 by avibootz

1 answer 19 views

How to use SQL GROUP BY statement in MySQL

asked Oct 5, 2015 by avibootz

1 answer 27 views

How to use SQL SUM() Function in MySQL

asked Oct 4, 2015 by avibootz

2 answers 18 views

How to use SQL MIN() Function in MySQL

asked Oct 3, 2015 by avibootz

2 answers 75 views

How to use SQL MAX() Function in MySQL

asked Oct 2, 2015 by avibootz

1 answer 14 views

How to get the last value of the selected column in SQL in MySQL

asked Oct 1, 2015 by avibootz

1 answer 14 views

How to get the first value of the selected column in SQL in MySQL

asked Sep 30, 2015 by avibootz

2 answers 20 views

How to get the number of records in a table with SQL in MySQL

asked Sep 29, 2015 by avibootz

3 answers 25 views

How to use SQL COUNT() Function in MySQL

asked Sep 29, 2015 by avibootz

2 answers 25 views

How to use SQL AVG() Function in MySQL

asked Sep 28, 2015 by avibootz

1 answer 21 views

How to make calculation on SELECT when we have NULL value in some fields with SQL and MySQL