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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
Enforce constraint regarding other rows in the same table -0.73
xp_cmdshell SQL Server 2012: How to create a text file with "&... 0.00
Invalid length parameter passed to the LEFT or SUBSTRING function e... 0.00
Oracle SQL: Nested sub-queries, outer are the same, inner differs -1.67
Is the 'SELECT IN' pyramid good practice? 0.00
How to grab X number of characters after the first Y from a string 0.00
How to skip/offset rows in Oracle database? -0.41
weird postgresql query -1.63
How to execute SQL queries skipping error? +0.39
Why the query takes forever when changing the value 0.00
Does SQL Server 2014 support functions such as ISNOTNULL()? -0.52
How to find next bigger / equal text in SQL Server +1.39
How to auto generate a ID with random numbers in sql server +0.39
SQL-Using PIVOT with a UNION? +0.41
How to get unique hierarchy on table dependencies 0.00
SQL Pivot "Incorrect syntax near the keyword 'PIVOT'.&... 0.00
ORA-02291: integrity constraint (MARTE71.EXPENSE_PROJECT_FK) violat... +0.42
ORACLE subtraction from user defined variable +1.67
SQLServer 2008, Query for filename format s -0.96
Hive date conversion +0.45
How to get a list of unused/available primary keys (primary key ran... +0.87
SQL SELECT from ordered column +2.23
How to store a 5GB text file used by a web application for words se... +1.51
I wanted to create a SQL query to list of all customers who have pl... -0.92
Add column to a table in SQL Server database and make the default v... +0.41
PostgreSQL LEFT OUTER JOIN Conditionals not working -1.09
How to convert milliseconds(integer) to string in mm:ss format? 0.00
creating table that replaces '-' with default value during... +1.61
can i create 100 rows with IDs from 1 to 100 without inserting them... 0.00
Sum of all data different than sum of individual data sets -0.57
Create a recursive view that has a "with recursive" state... -2.41
SQL Server unpivot columns 0.00
How to delete data from SQL except one row? +0.65
Selecting records between 2 dates with sqllite +1.90
SQL String Split -0.06
how can I separate instances of stand alone characters from a strin... +1.86
Is it possible to create a non clustered index on column length or... +0.42
Querying awkwardly stored data +1.73
SQL Server : are there any side effects to using a filtered index? 0.00
Retrieve Distinct concat values from MySQL table +1.00
How to optimise SQL query execution time -2.28
Teradata UNION with additional data +0.41
How to find XML documents with certain attributes and nested elemen... 0.00
T-SQL MAX function alternatives +1.38
How to find values in column that have no full stops in table? -0.03
Remove all characters from a string after coma if comma exists -0.74
when i enter mon it needs to display 1 & for yr 12 0.00
New Line due to Invalid characters unable to replace with Group sep... 0.00
I can't understand SQLite -0.99
Selecting from a range based on multiple range criteria -2.14