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Rating Stats for

Mohsen Heydari

Rating
1571.82 (3,844th) 		Reputation
6,787 (23,729th)
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Title Δ
Database design for coupon usuage restriction -1.09
MySQL query - get row with highest number filtered by another column -1.32
Need an efficient query in the following case +0.11
SQL query for highest score and latest date combined -0.27
Maintainable serialization method for long-term storage of entities... -0.12
Best way to output results from two unidentical database tables 0.00
Find records that qualify as pairs -0.52
SQL creating both multiple column index and single column index on... -0.41
Suggestion for Database Integrity with Foreign Keys 0.00
Oracle - Return rows with max_date duplicate 0.00
Grouping a set of data by date +0.16
Remove duplicate rows from MySQL table (ignore chars and whitespace) 0.00
Database table design for two kind of information with common fields -0.97
relational model versus logial data model -2.42
Database design including people and organisation -0.37
Grouping different columns in 1 sql query +2.12
Which one is correct and optimized in sql? -1.40
Name of a document which provides information about the database lo... 0.00
Data structure for many to many hierarchies in SQL Server 0.00
Functions and procedures used by current user -0.55
SQL using MAX and COUNT 0.00
Tell if specific char in string is a long char or a short char -0.18
Optimal SQL query help please -0.14
Insertion anomaly in database design +0.79
How to produce a query that will bring up a list of employees who d... -0.12
How to implement intersect using where exists or not exists in mysql -0.11
group by top two results based on order 0.00
Oracle trigger syntax -0.60
Foreign Key column mapped to multiple primary keys +1.03
SQL: Creating table with Enum-like attribute that is one of only se... -0.11
Bulk Update in Oracle from CSV file -0.13
Calculating an "activation" percentage using SQL -2.47
Ignore date list from CTE +0.10
Split rows in multiple lines in oracle 11g and fetching in jsp +0.36
How to get values from 'distinct' column? -0.13
Relational table design: prevent circular references 0.00
User Relationship Schema 0.00
Database Structure with a 3rd Dimension of Time +1.18
Does a many-to-many relationship with a recursive one-to-many in my... +0.36
How to efficiently version records in an SQL database +0.38
renting a movie entity -0.64
Will one query run faster than multiple queries, if they are deleti... -1.72
What are the perf implications of indexing a datetime column? +1.62
error while running a simple cursor in plsql -2.34
Proper way of checking if row exists in table [pl/sql block] -1.89
How do I use bulk collect and insert in Pl/SQl +0.37
Inventory management with stock options +1.48
Schema for music lists + playlists web app -2.55
MySQL - When should I use a different table for similar data? -0.41
Best way for database design +0.36