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Jon Heller

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1527.94 (20,526th) 		Reputation
25,182 (5,085th)
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Title Δ
Why index is not used for some values? -2.17
search with national / multilingual chars with java and oracle 0.00
Optimization of query -0.14
Is having non-deterministic functions in fast refresh materialized... +1.88
ALTER SYSTEM is not executing in jruby 0.00
Sql huge insert script +0.45
Identify partitions having stale statistics in a list of schema +1.59
SQL query to Calculate allocation / netting +0.55
What is the limit for varchar2 in a Table of Type in Oracle? +1.90
Why can't I seem to force Oracle 11g to consume more CPUs for a sin... +1.41
Getting error while using Outer join in sql 0.00
Oracle JOIN operation performance changes when swapping SELECT stat... +2.11
ORA-00911: invalid character in PL/SQL -0.48
Reasons for Oracle Automatic Degree of Parallelism? 0.00
How can I know if Oracle Diagnostics pack and the Oracle Tuning pac... 0.00
how to use array as bind variable 0.00
how can read environment variable with sql statement in oracle +0.52
Does SYSDATE change affects table stats in Oracle? 0.00
Why is Oracle SQL Optimizer ignoring index predicate for this view? 0.00
Oracle ordered resultset without order by clause -0.28
How database system comes to know how many different values a parti... -0.61
how to check no of times query executed? 0.00
Oracle sqlplus - defining typed table with no attributes but nested... 0.00
Need help understanding the behaviour of SELECT ... FOR UPDATE caus... +0.02
In Oracle, what dictionary table tells me the "store in"... -1.68
Efficiently inserting variable number of rows into Oracle from .NET... -0.32
Why is the NLSSORT index not used for this query? 0.00
Following sql giving error (oracle) 0.00
JPA automatic calling analyze table x compute statitics 0.00
Sorting local collections in package 0.00
How to Run Two Slow SQL SELECT Statements Simultaneously -1.34
Use of index in multiple join condition oracle +0.11
Executing stored procedure in PL/SQL Developer SQL Window 0.00
Oracle 11g - How to optimize slow parallel insert select? +0.51
inefficient SQL plan on the partitioned Table 0.00
Query statement consume quite long time on execution on oracle +1.21
pl/sql dbms_scheduler hanging, how to debug further? +1.87
Oracle TABLESPACE Allocation / Usage Performance Impact +1.70
SQL shorten responds time using parallel or with clause -1.02
Extract differences between 2 rows in a generic function (Oracle Tr... 0.00
SQL precompiled statements -0.59
Why this SQL query takes so much time to execute? -1.77
How to execute same job multiple times (in parallel) in Oracle? +2.08
What is the maximum number of OR clauses within a single Oracle sta... +0.02
How to Stop at a Specific branch/level in an Oracle Tree Hierarchy 0.00
Detect all columns in an oracle table which have the same value in... +0.93
Run exe from DBMS_SCHEDULER 0.00
How to create a join between the results of two PL/SQL functions? 0.00
Query featuring outer joins behaves differently in Oracle 12c 0.00
automating rollback script oracle 0.00