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New posts in rdbms

ERROR 1451: 1451: Cannot delete or update a parent row: a foreign key constraint fails

mysql database rdbms

ORA-00979: not a GROUP BY expression for Oracle but not valid for MySQL in context of clause difference

mysql sql database oracle rdbms

How does a DBMS implement their own sorting algorithm? Or do they?

database sorting rdbms conceptual

noSQL for storing product information?

mysql postgresql nosql rdbms

Sybase ASE - Tracing queries / processes

sap rdbms trace sap-ase

Relational table - is JSON recommended?

sql json rdbms relational

PostgreSQL Long VACUUM

postgresql rdbms vacuum

Is there a Java API for comparing Database Schemas

java jdbc compare schema rdbms

Are update cascades only used for denormalized tables?

php mysql sql database rdbms

How to return distinct records in case insensitive Oracle DB?

sql oracle oracle10g oracle11g rdbms

why does 10/NULL evaluate to null?

sql rdbms

What is the difference between complete refresh and fast refresh in materialized view?

oracle rdbms materialized-views

Where does a clustered index store row data for keys on intermediate levels?

sql-server rdbms

Combining a Graph Database and an RDBMS

mysql database neo4j rdbms graph-databases

Why use primary keys?

primary-key rdbms data-annotations

Terribly slow SQL query with COUNT and GROUP BY on two columns

sql database rdbms relational

round off column value in postgresql

sql database postgresql rdbms

How to find "nearby" results?

rdbms geospatial spatial

Using PHP + VoltDB together?

php sql rdbms voltdb

Need advice from MongoDB experts/developers before on switching from RDBMS

sql mongodb rdbms nosql
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