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David דודו Markovitz

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1588.94 (2,388th) 		Reputation
25,428 (5,012th)
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Title Δ
Merge 1st and Second Row, 3rd and 4th Row and so on -1.76
SQL: generate N random non-negative integers adding up to a provide... -0.88
Hive - updating a partition column 0.00
SQLite - What setup do I use to associate entries on one table usin... 0.00
How to select all rows with duplicated column value in SQL -0.24
Impala query: return only first x characters from a desired column 0.00
SQL pivot and fill in NULL values -1.73
issue with merge update query not performing as it should -2.22
generating multiple columns from dual table -1.30
Decode to Case Statement +1.68
SQL Server 2014: Either selected or all values in where condition +1.84
How to sort through a dictionary (a real world dictionary) that is... +0.44
Count equal, consecutive values in an ordered rowset -0.71
Count equal, consecutive values in an ordered rowset -0.71
Non-null string in Hive array 0.00
How to pass path to an Hive external table from shell script? 0.00
How to pass path to an Hive external table from shell script? 0.00
How to import from a mixed-encoding file to a PostgreSQL table 0.00
Can't switch columns in select of output 0.00
SQL Efficiency on Date Range or Separate Tables +1.84
How do I select an extra row for each row in the result set in SQL? -0.08
INTERSECT in MYSQL coding not working 0.00
SQL Server 2008, how to count distinct values that change -0.22
SQL Server 2008, how to count distinct values that change -0.22
SQL - How to get the word between special characters in SQL -0.07
UNION , sprintf 0.00
How to ignore some rows while importing from a tab separated text f... -0.72
How to ignore some rows while importing from a tab separated text f... +0.95
How unselect analogous value in mysql 0.00
How to print all columns when columns are dynamic and one common co... -0.80
Oracle SQL regex extraction +0.44
gapless identity column strategy -0.45
sql query to get the previous row value of one column to be inserte... -0.08
How to import YYYY/MM and YYYY/MM/DD to a same column in PostgreSQL? +0.40
Invalid object name - derived table 0.00
In MSFT SQL Server Management Studio, how do I morph an (excel) lis... 0.00
Counting occurrences in Amazon Redshift strings 0.00
SQL query takes more than an hour to execute for 200k rows +0.42
Concatenate champ name1 +0.19
Appending (insert into) pivot results into an existing SQL table -0.07
Convert columns into rows for each ID -0.84
What is the difference between TRUNC and TO_DATE in Hive 0.00
ORA-907 missing right parenthesis when using AS keyword -1.83
ORA-01861: literal does not match format string -2.38
how to create group of consistent records +2.00
how to create group of consistent records -2.00
Can I use CASE statement in the WHERE clause? +0.34
how to separate one column data into two columns -1.62
Select Data from view vs Table of same name 0.00
Performance of data retrieval process from SQL views -0.08