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How to get 2nd highest status in mongodb with a collection having multiple status...


mongodbaggregation-frameworkquery-optimization

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Speed-up/Optimise MySQL statement - finding a new row that hasn't been selected before...


phpmysqlsqlperformancequery-optimization

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Delete with join not completing due to high number of rows...


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Optimal join from a column to the concatenation of those columns?...


sqlsql-servert-sqljoinquery-optimization

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optimizing postgres view for timestamps and aggregation of fields from another table...


postgresqlquery-optimizationaggregate-functions

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MySQL: index for query with range and order by...


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How to refactor a SQL query with multiple OR statements for better performance?...


sqlmariadbquery-optimizationhqlwhere-clause

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Reduce number of joins in mysql...


mysqljoinquery-optimization

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Using two single-column indexes in where and orderby clause...


mysqlsqlindexingquery-optimizationwhere-clause

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Delete performance vs select on multiple joins?...


mysqlsqlquery-optimizationinner-joinsql-delete

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Hello! is that anyway to write similar query without using union?...


sqloraclesumpivotquery-optimization

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Teradata - How to understand data distribution?...


sqlquery-optimizationteradata

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MYSQL: Optimizing MySQL query with group by and inner join...


mysqlsqlquery-optimization

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SQL query optimization practice...


sqlquery-optimization

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How can I make my Athena SQL query faster...


stringdatetimequery-optimizationwhere-clausepresto

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Postgress. HASH index type for text field...


postgresqloptimizationquery-optimization

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Optimize Oracle SQL query...


sqloracleoptimizationquery-optimizationsql-tuning

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Optimized query to get IDs not present in other tables...


sqloracleoracle11gsubqueryquery-optimization

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how to improve mysql query speedy with indexes?...


mysqlsqlquery-optimization

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Speed Up A Large Insert From Select Query With Multiple Joins...


mysqlmysql-workbenchquery-optimizationamazon-rds

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MySQL: Subquery optimization problem where subquery checks over 14000 rows...


mysqlsubqueryquery-optimizationquery-performancegroupwise-maximum

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What is the best way to get a derived status column based on existing result...


sqljoinswitch-statementquery-optimizationstatus

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Oracle SQL or PLSQL scale with load...


sqloraclequery-optimization

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Generate time serie between time interval with steps of minutes on the fly in SQL...


mysqlsqltimequery-optimizationrecursive-query

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How do I select multiple rows using multiple columns without using multiple subqueries...


mysqlsqloptimizationquery-optimization

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Can sub-query be avoided in this query?...


mysqlsqlsubqueryquery-optimizationwhere-clause

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Optimize query for multiple unions...


sqlpostgresqlquery-optimizationgreatest-n-per-group

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NOT A VALID MONTH ERROR IN ORACLE FOR BELOW CODE...


sqloracledatetimequery-optimizationwhere-clause

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Optimised way of replacing strings with each other in SQL table...


sqlt-sqlquery-optimization

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Hive on TEZ query taking forever at Reducer cross product...


hadoophivequery-optimizationhiveqlapache-tez

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