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What is a smarter way to use a single table instance in a query that JOIN 2 times the same table?...

mysqlsqldatabasejoinrdbms

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Optimizing a query returning a lot of records, a way to avoid hundreds of join. Is it a smart soluti...

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Separate database to store logs and exceptions...

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How to design database for blog system?...

mysqlsqldatabasedatabase-designrdbms

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SQL Server DateDiff between two dates returns inaccurate values...

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One foreign key referring to multiple table's primary keys...

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NDB cluster7.5(MySQL 5.7) is taking more time in fetching data, if number of rows in table is large(...

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Why am I obtaining this error message removing the GROUP BY statment from a SQL query?...

mysqlsqldatabaserdbms

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What type of data are returned by the X() and Y() MySql functions that take a point field as paramet...

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SQL Query - to check total amount of each employee and display those employee with amount less than ...

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Getting all results in Join in MySQL on reduced tables...

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multi row update using cursors PL SQL anonymous block...

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Scalable database technology and architecture...

databasescalabilityrdbmsdistributednosql

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150M records order by name...

sqlrdbmslarge-data

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How to Create a table in Sequelize to store in Postgressql with NodeJS...

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Big Data modification stardegies...

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what should be considered before choosing hbase?...

hadoophbaserdbmsbigdata

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SQL - how to display employees that has sum less than 5000...

sqlsql-serverrdbms

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How can I modify this query to add a new field containing the maximum value of a field of a subset o...

mysqlsqldatabaserdbms

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Why I can't obtain record in a range of date?...

mysqlsqldatabasedatetimerdbms

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Updating timestamp with custom format (dd/MM/yyyy HH:MM:ss.FFFFFFF)...

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Does the term NoSQL fit inside a DBMS?...

databaserdbmsnosql

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BCNF and 3NF property...

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Error "java.sql.SQLException: ORA-04054" JDBC-ORACLE...

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I want to transform my Table from first displayed form to second displayed form...

sqlsql-serverdatabaserdbmsdbms-output

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How differentiate data for each database or Graph...

databaseneo4jrdbmsnosql

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Can data from a sql query be inserted into elasticsearch?...

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Why are RDBMS'es CS systems in the CAP sense according to this graphic?...

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How to make relationship between parent and child table in Postgresql...

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How to duplicate rows and make multiple inserts for each row for a specific column using SQL?...

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