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Oracle has made this database a multi-model database management system. This particular database information is considered as a unit and designed for the sake of storing and retrieving the relevant information. This database is most commonly used for data warehouses, transaction procedures, and other various database workloads.
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Database server
Database instance
SGA
Extents
Segments
Tablespaces
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Want to become Oracle Database Developer
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Looking to appear in online IT or Freelance Skill Test
Need to find out the tricky interview questions for oracle database
IN
BETWEEN
LIKE
EXISTS
Answer:
LIKE
Use ALTER TABLE MODIFY COLUMN command
By using CREATE TABLE AS SELECT
Write a stored procedure to manipulate the columns
Drop the table and re-create it
Answer:
By using CREATE TABLE AS SELECT