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I will do sql in oracle and etl testing, kalli linux

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Pavan Kumar T

India

Ik spreek Engels
SQL: SQL (Structured Query Language) is a programming language used for managing and manipulating relational databases. It allows you to store, retrieve, modify, and delete data from databases. With S...
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Over deze dienst
  1. SQL Compatibility: Oracle supports the SQL standard and implements various SQL features, including data manipulation (SELECT, INSERT, UPDATE, DELETE), data definition (CREATE, ALTER, DROP), data control (GRANT, REVOKE), and transaction control (COMMIT, ROLLBACK).
  2. Data Types: Oracle supports many data types, including numeric, character, date and time, LOBs (Large Objects), and user-defined types. It also provides specialized data types such as CLOB (Character Large Object), BLOB (Binary Large Object), and XMLType.
  3. Queries and Joins: Oracle allows you to write complex SQL queries to retrieve data from one or more tables using the SELECT statement. It supports various join types (INNER JOIN, OUTER JOIN, CROSS JOIN) to combine data from multiple tables based on specified conditions.
  4. Indexing and Performance: Oracle provides indexing mechanisms like B-tree and bitmap indexes to improve query performance. Indexes help in faster data retrieval by creating a data structure that allows for efficient lookup and searching.
  5. Transactions and Concurrency: Oracle supports transactions to ensure data consistency and integrity. It provides features like ACID properties (Atomicity,
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do sql in oracle and etl testing, kalli linux
Volledig scherm
do sql in oracle and etl testing, kalli linux

Databasetype:

Gecentraliseerde database

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Grafiekendatabase

+1 meer

Platform:

MS SQL

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MySQL

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Oracle

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PL/SQL

Expertise:

SQL

•

NoSQL

•

Normalisatie

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Query-optimalisatie

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