Top "Oracle" questions

Oracle Database is a Multi-Model Database Management System created by Oracle Corporation.

Rownum in the join condition

Recently I fixed the some bug: there was rownum in the join condition. Something like this: left join t1 on …

oracle rownum
Change NLS Character set parameters on Oracle 11g XE

I am using Oracle 11g Express Edition. Currently when I check NLS character set parameter using SELECT * FROM nls_database_…

sql oracle oracle11g oracle-apex oracle-xe
Roll back A if B goes wrong. spring boot, jdbctemplate

I have a method, 'databaseChanges', which call 2 operations: A, B in iterative way. 'A' first, 'B' last. 'A' & 'B' …

java oracle spring-boot jdbctemplate spring-transactions
Execute Statement or Run Script?

While entering a SQL statement in Oracle SQL Developer, I noticed that I have two choices. I can either "Run …

sql database oracle oracle-sqldeveloper
How to convert column value to CamelCase with Oracle?

I need a way to convert a column value to CamelCase with Oracle 10g. I prefer to do it in-line …

sql oracle camelcasing
PL/SQL Performance Tuning for LIKE '%...%' Wildcard Queries

We're using Oracle 11g database. As you may or may not know, if you use wildcard query with "%" in front …

sql oracle indexing query-optimization
How to get a list of months between 2 given dates using a query?

I have 2 dates, say 28-Mar-2011 and 29-Jun-2011. I need an sql query that will display the months between these 2 dates …

oracle date-arithmetic
What is the difference between OCI and THIN driver connection with data source connection between java and oracle XE?

I'm writing the below codes for connection between the java and Oracle 10g XE using 3 way(OCI, THIN and data …

java oracle jdbc database-connection
Oracle to_date with p.m./a.m

I need to convert a string into a Date in oracle. The format of the string is like this: '08/11/1999 05:45:00 …

oracle to-date
Oracle sqlldr timestamp format headache

I'm struggling to get sqlldr to import a csv data file into my table, specifically with the field that is …

oracle format timestamp sql-loader