ORA-00904: “scn_to_timestamp”: invalid identifier or ORA-00904: “timestamp_to_scn”: invalid identifier If you try to run a query with the SCN_TO_TIMESTAMP function or TIMESTAMP_TO_SCN function, you might get one of these two errors: ORA-00904: "scn_to_timestamp": invalid identi...
The function only allows you to concatenate two strings together. If you want to concatenate multiple strings, you can use nested functions, or the double pipe character, as mentioned below. Get the Oracle Cheat Sheet Get The Cheat Sheet Parameters The parameters of the Oracle CONCAT function ar...
– Database - a SQL query that extracts data from an Oracle Database in the same format as a Databank CSV or TXT file. See Section 4.2, "Using Script Databanks" for additional information. – Data Table - a spreadsheet table that specifies the data by row and column. The data in ...
2 Oracle PL/SQL Cheat Sheet PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation’s procedural language extension for SQL and the Oracle relational database. PL/SQL is available in Oracle Database (since version 7) and IBM DB2 (since version 9.7). Oracle Corporation usua...
Here's a summary cheat sheet of to group rows into N-unit time intervals: If you'd like to try these examples out, you can get thescripts for this post on Live SQL. Want to improve your SQL skills? Oracle Dev Gym has a vastlibrary of SQL quizzesto help you learn all about Oracl...
CASE expressions cheat sheet Here's an overview of the different types of case inOracle Database: UPDATED 16 Apr 2025: Changed Live SQL links to new platform Chris Saxon Developer Advocate Chris Saxon is an Oracle Developer Advocate for SQL. His job is to help you get the best out of...
Also see the Oracle Solaris 11 Cheat Sheet for Image Packaging System. Understanding Package Dependencies In many cases, one software package depends on another package. For example, one package might require functionality that is in a second package in order to function or install correctly. Th...
A package manager that can install, update, uninstall, and query for packages. Often used in combination with other technologies (yum) to provide automatic package dependency resolution and the addition of multiple package repositories. There is no integrated end-to-end tool for repository management...
Below is a Hello World query using PowerShell and ODP.NET. The query in line 12 should work against any Oracle SQL DB because it uses the built in table “dual”. Update: Line 2 if you installed ODP.NET to a different path Line 6 for your SQL DB Username ...
IBM Cloud Private for Data preps Red Hat OpenShift certification, queryplex search tool Why IBM bought Red Hat: It's all open source cloud, all the time Red Hat leaders praise IBM acquisition, but employees are worried In the meantime, IBM is building out its ...