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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
Remove space in column name for 10000 columns SQL Server -0.31
SQL - how to select all rows which have value1 in column but not va... -0.81
Only get data with 56 as the 8th and 9th digits in SQL 0.00
Count in-between rows from same column values -0.08
Find occurance of string using generate_series +1.14
How to query "LastName, FirstName" from "FirstName L... -0.65
How to remove overlap from time spans (SQL) 0.00
How can I add a column with specific values and calculate the perce... -2.08
Managing JOINS in Google Query Language (Google Sheets) 0.00
compare records within same table -0.51
Omit Duplicate Only When In Sequential Order 0.00
Difference between timestamps in Oracle 0.00
Regex last part of string not consistent pattern or length -0.50
Same math logic, different results? -1.18
Optimization of multiple inner self-joins by unique key +2.24
Remove space with in string in Oracle SQL -0.68
Hive: How to check if values of one array are present in another? -0.08
Generate sequence numbers for a range and decrementer +0.42
Converting real data type to nvarchar changes the original value 0.00
Count number of distinct columns in SQL +0.18
SQL Server: how to include count in the select query with where cla... -0.98
How can I extract the numerical prefix of a string using REGEX_EXTR... 0.00
max and nested sql queries +2.28
Trying to find all field starting with space +0.33
Impala - transform columns to rows without using UNION ALL +1.70
Given a set of URL in the format {FIXED PREFIX}/{NUMERIC ID}/..., h... +1.65
What is the equivalent of MySQL @currant := @currank + 1 in MS SQL? 0.00
Sql find only one hashtag not two -1.62
How Select SUBSTRING in ORACLE -1.74
How Select SUBSTRING in ORACLE +0.26
Matching a string which includes -,.$\/ with a regex 0.00
A Database Error Occurred Expression #2 of SELECT list is not in GR... +0.43
Nested query in Hive not working: ParesException 0.00
When typing in any word plus a colon, SSMS to recognizes it as vali... +1.72
Syntax error in WHERE clause (CAST required?) +2.12
SQL compare value in column +0.04
Nvarchar(max) is not big enough 0.00
How to use LISTAGG in AWS Athena? 0.00
Same Row_Number for Same Values -0.56
Convert Oracle decode statement into SQL Server T-SQL statement -0.58
Sequential SQL query -0.33
is this correct? where i am trying to get multiple columns from 3 t... 0.00
What is bad numbers for skew factor in Teradata? -1.83
Conditional lead/lag function PostgreSQL? +0.45
SQL view with check option 0.00
How to SELECT Records from MySQL That Has Any of Listed Terms +0.14
Aggregate multiple tables with dates in SQL +0.43
SQL Server 2008 R2 - Recursive SQL - Is this possible? +2.30
How to insert comma in between each and every digits -0.07
Merge 1st and Second Row, 3rd and 4th Row and so on +0.91