spencer7593

spencer7593 has asked 5 questions and find answers to 238 problems.

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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

Why is 27000 a magic number for video point/frame description in full numbers
SQL SELECT and COUNT of second table
Evaluating a correlated subquery in SQL
The benefits of having an _id" suffix in names of foreign keys
Storing view counts in database table
How to use exclusive BETWEEN clause in mysql?
SQL: Cannot delete or update parent row: a foreign key constraint fails
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)