StackRating

An Elo-based rating system for Stack Overflow
Home   |   About   |   Stats and Analysis   |   Get a Badge
Rating Stats for

Erwin Brandstetter

Rating
1652.91 (517th)
Reputation
567,030 (45th)
Page: 1 ... 35 36 37 38 39 ... 114
Title Δ
Escaping a LIKE pattern or regexp string in Postgres 8.4 inside a s... +1.36
Delete duplicate rows from table with no unique key +0.62
String matching in PostgreSQL 8.4 +1.30
Tricky PostgreSQL join and order query -0.16
Get unique pairs from self-join, plus rows without a match 0.00
Row number from one column, but then re-order using another column -1.34
DISTINCT ON query w/ ORDER BY max value of a column 0.00
Rounding of the numeric values 0.00
Generating unique combinations in postgres of size two from an array -2.71
How to add a user to PostgreSQL from the Ubuntu command line? 0.00
Simple update set postgres stored procedure 0.00
Get created as well as deleted entries of last week +0.35
Find the lastest qualifying row for each key +1.15
PostgreSQL transaction restart 0.00
PostgreSQL multiple tuples selection in WHERE clause +0.76
Get count of created entries for each day +0.57
Subquery or multiple queries in sql to get results +0.34
How to prevent PostgreSQL from altering my nicely formatted SQL def... +1.59
Is PostgreSQL multi-row insertion all or nothing? 0.00
Lock for SELECT so another process doesn't get old data +0.36
Resolving an ambiguous column in a subselect -1.28
How to limit result set with multiple RETURN QUERY in postgresql 0.00
SQL query checking columns in first table or looking up rows in sec... 0.00
pgAdmin: How to see complete value in a cell in output 0.00
Combine the most recent entries from a number of tables -1.20
Postgres function optimisation +1.66
Function taking forever to run for large number of records 0.00
SUM & GROUP BY on an array of composite type 0.00
PostgreSQL: deleting rows referenced from another table +0.83
PostgreSQL 9.3: Union two columns in one 0.00
How to return a value from a function if no value is found +0.33
UPDATE order in PostgreSQL 0.00
Get distinct individual column values (not distinct pairs) from two... -0.25
Numeric Precision Rounding Artifacts with PostgreSQL 0.00
How to cast entity to set in PostgreSQL 0.00
Improving performance with a Similarity Postgres fuzzy self join qu... 0.00
Query returning too many results +2.13
INSERT INTO ... FROM SELECT ... RETURNING id mappings +0.31
PostgreSQL 9.3: Display result in specific format using array_agg f... +1.20
Can someone give examples of use case of the ordered-set functions... 0.00
GROUP BY is creating multiple rows instead of 1 -0.15
Query failed: ERROR: invalid byte sequence for encoding "UTF8&... -1.66
Compound index with three keys, what happens if I query skipping th... +1.35
Left Join with Group By -1.23
How to export a PostgreSQL query output to a csv file 0.00
Counting distinct rows using recursive cte over non-distinct index +1.27
What is the performance of arbitrary ordering in PostgreSQL? 0.00
Number of palindromes in character strings 0.00
Create a unique index on a non-unique column 0.00
Passing parameters gives array error in Postgres 8.2 function -0.15