Oracle database tutorial

Oracle database 23c installation on OEL  -  Oracle database 23c free developer release rpm based installation is illustrated here. We are using Oracle Enterprise Linux 8 for this 23c installation. System Requirements -  Operating system : Linux x86_64.  RAM : 1GB minimum - 2GB recommended.  Disk space : 10GB minimum.  Swap : Minimum 2GB or twice of RAM allocated. 23c Database Developer Version Prerequisites - Run these prerequisites command as "root" user. 1. dnf install -y oraclelinux-developer-release-el8  Note -   dnf (Dandified YUM) is newer major version of yum. Package manager for rpm based Linux distributions. [root@node1 ~]# dnf install -y oraclelinux-developer-release-el8 Last metadata expiration check: 4:47:48 ago on Mon 15 May 2023 04:15:49 PM CDT. Dependencies resolved. ======================================================================================================================================================...

How do I start learning Oracle SQL? Always prefer to start learning Oracle SQL with Oracle Database Express Edition (Oracle XE database) having installed on your laptop. XE database is limited to use minimum computed resources like 2GB RAM, 2 CPUS for foreground processes and 12GB for user data on disk and can be used it for free even in production. Lot of SQL and PLSQL can be learnt/practiced on XE database.  How to install Oracle XE on local? Here we are using Oracle Database 21c Express Edition. Search for oracle XE database in google and download latest Oracle Express Edition database based on your operating system. In our practice we downloaded Oracle Database 21c Express Edition for Windows 64-bit operating system (OracleXE213_Win64.zip file is downloaded). Unzip OracleXE213_Win64.zip file on local disk. After unzip go into extracted folder and Run as Admin or double click on Setup.exe. Click yes on popup shown to make changes on device. Then below screen will be appeare...

Oracle Database SQL Certified Associate (1Z0-071)   Exam Topics  - Relational Database concepts Explaining the theoretical and physical aspects of a relational database Relating clauses in SQL Select Statement to Components of an ERD Explaining the relationship between a database and SQL Retrieving Data using the SQL SELECT Statement Using Column aliases Using The SQL SELECT statement Using concatenation operator, literal character strings, alternative quote operator, and the DISTINCT keyword Using Arithmetic expressions and NULL values in the SELECT statement Restricting and Sorting Data Applying Rules of precedence for operators in an expression Limiting Rows Returned in a SQL Statement Using Substitution Variables Using the DEFINE and VERIFY commands Sorting Data Using Single-Row Functions to Customize Output Manipulating strings with character functions in SQL SELECT and WHERE clauses Performing arithmetic with date data Manipulating numbers with the ROUND, TRUNC and ...

  Is the oracle database sql certification worthy ? Get geared up to build up some notably marketable programming skills. You can not hold in thoughts yourself a complete developer until you have knowledge of SQL(Structured Query Language). With more data available than ever is hot topic in technology and fact is that data is the biggest asset of the companies. All RDBMS databases require the knowledge of SQL to store and retrieve data. Salaries for junior SQL Developers are getting paid of $70,000 - $90,000 dollars per a year. Oracle Database SQL Certified Associate (1Z0-071) Exam Test - 1Z0-071 will be a 2 hours long exam and will have 78 multiple choice questions which needs correct answer should be chosen. Required score for 1Z0-071 is 63%. The 1Z0-071 tests scope of knowledge with the SQL programming language and requires ability of understanding of using SQL to achieve certain things in a database. How much does the Oracle Database SQL Certified Associate Exam Cost? Oracle D...