spencer7593

spencer7593 has asked 5 questions and find answers to 230 problems.

Stats

About

spencer7593 questions

Any suggestions for improving (optimizing) existing string substitution in Perl code?
SQL query to return NULL for SUM(expression) whenever an included value IS NULL
replace NULL values with latest non-NULL value in resultset series (SQL Server 2008 R2)
How to identify invalid (corrupted) values stored in Oracle DATE columns

spencer7593 answers

MySQL 5.6.19 TIMESTAMP Can't accept many correct values
Only update changed values for ON DUPLICATE KEY UPDATE
mysql best index order for (FK, key, value)
SQL injection when single quotes are escaped with two single quotes
How do I pair rows together in MYSQL?
When making indexes in PostgreSQL is required?
ERROR 1045 (28000): Access denied for user (using password: YES)
Can I conditionally enforce a uniqueness constraint?
Out of range value for column 'contact_no' at row 1
How to convert a SQL Server cursor to MySQL equivalent