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Monthly Archives: February 2022

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Data Consistency

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Data Consistency In Oracle Database, each user must see a consistent view of the data, including visible changes made by a user's own transactions and...

Introduction to Oracle SQL

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Structured Query Language (SQL) is the set of statements with which all programs and usersaccess data in an Oracle Database. Application programs and Oracle...
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Sample Schemas

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In Oracle Database, a database schema is a collection of logical data structures, or schema objects. A database user owns a database schema, which...
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Datafiles in Oracle (Physical Storage)

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Overview of Data Files At the operating system level, Oracle Database stores database data in structures called data files. Every Oracle database must have at...
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Oracle Database 19c – Practical & Assignments

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PARAMETER & PASSWORDFILE: * Create pfile from spfile to location '/home/oracle/init<sid.ora>' * Create password file with sys password as oracle1 * Create parameterfile in different location /u01...