oracledatabase

Oracle SQL Compare Dates

How to Oracle SQL Compare Dates (6 Ways)

Oracle SQL comparing dates is not complicated but you have to follow the correct syntax and match targeting columns. Otherwise, need to convert column types into the same matching data ...

Asiri Gunasena

June 10, 2023

Oracle Expdp Ora-01555

How to Solve Oracle expdp ora-01555 snapshot too old

Once you export expdb job to backup the database table this error ORA-01555: snapshot too old: rollback segment number 12 with name might raise. Why is this error raised? One ...

Asiri Gunasena

May 12, 2023

Sql Index usage

Poor SQL Index Usage including Good Examples

When making performance improvements in your database SQL Index Usage is one of the most valuable and essential features. SQL Indexes are used to retrieve data from databases by reducing ...

Asiri Gunasena

March 13, 2023

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