Virtual Box Binaries can be downloaded here:
https://www.virtualbox.org/wiki/Downloads
Step-by-Step doc to install Virtual Box and spin off two node RAC clutser:
https://docs.google.com/document/d/1NzUJfQulXZ_4m_kD6MvqiPS0I9FJfQ-jkogRFQ5ihNM/pub
Certified Kubernetes Administrator (CKA)
Cloud Certified Security Professional (ISC2)
CyberSecurity Certified Professional (ISC2)
AWS Certified Solutions Architect Associate
Azure Certified Architect Expert
Azure Certified Architect
Azure Certified Administrator
Oracle Cloud Infrastructure 2018 Certified Architect Associate.
Oracle Cloud Infrastructure Classic 2018 Certified Architect Associate.
Oracle Database Cloud Administrator Certified Professional.
Oracle Database Cloud Service Operations Certified Associate.
CREATE [ GLOBAL TEMPORARY ] TABLE [ schema.]table OF [ schema.]object_type [ ( relational_properties ) ] [ ON COMMIT { DELETE | PRESERVE } ROWS ] [ OID_clause ] [ OID_index_clause ] [ physical_properties ] [ table_properties ] ; <relational_properties> ::= { column_definition | { out_of_line_constraint | out_of_line_ref_constraint | supplemental_logging_props } } [, { column_definition | { out_of_line_constraint | out_of_line_ref_constraint | supplemental_logging_props } ]... <column_definition> ::= column data_type [ SORT ] [ DEFAULT expr ] [ ENCRYPT encryption_spec ] [ ( inline_constraint [ inline_constraint ] ... ) | inline_ref_constraint ] <data_type> ::= { Oracle_built_in_datatypes | ANSI_supported_datatypes | user_defined_types | Oracle_supplied_types } <Oracle_built_in_datatypes> ::= { character_datatypes | number_datatypes | long_and_raw_datatypes | datetime_datatypes | large_object_datatypes | rowid_datatypes } <large_object_datatypes> ::= { BLOB | CLOB | NCLOB| BFILE } <table_properties> ::= [ column_properties ] [ table_partitioning_clauses ] [ CACHE | NOCACHE ] [ parallel_clause ] [ ROWDEPENDENCIES | NOROWDEPENDENCIES ] [ enable_disable_clause ] [ enable_disable_clause ]... [ row_movement_clause ] [ AS subquery ] <column_properties> ::= { object_type_col_properties | nested_table_col_properties | { varray_col_properties | LOB_storage_clause } [ (LOB_partition_storage [, LOB_partition_storage ]... ) ] | XMLType_column_properties } [ { object_type_col_properties | nested_table_col_properties | { varray_col_properties | LOB_storage_clause } [ ( LOB_partition_storage [, LOB_partition_storage ]... ) ] | XMLType_column_properties } ]... <LOB_partition_storage> ::= PARTITION partition { LOB_storage_clause | varray_col_properties } [ LOB_storage_clause | varray_col_properties ]... [ ( SUBPARTITION subpartition { LOB_storage_clause | varray_col_properties } [ LOB_storage_clause | varray_col_properties ]... ) ] <LOB_storage_clause> ::= LOB { (LOB_item [, LOB_item ]...) STORE AS [ SECUREFILE | BASICFILE ] (LOB_storage_parameters) | (LOB_item) STORE AS [ SECUREFILE | BASICFILE ] { LOB_segname (LOB_storage_parameters) | LOB_segname | (LOB_storage_parameters) } } <LOB_storage_parameters> ::= { TABLESPACE tablespace | { LOB_parameters [ storage_clause ] } | storage_clause } [ TABLESPACE tablespace | { LOB_parameters [ storage_clause ] } ]... <LOB_parameters> ::= [ { ENABLE | DISABLE } STORAGE IN ROW | CHUNK integer | PCTVERSION integer | RETENTION [ { MAX | MIN integer | AUTO | NONE } ] | FREEPOOLS integer | LOB_deduplicate_clause | LOB_compression_clause | LOB_encryption_clause | { CACHE | { { NOCACHE | CACHE READS } [ logging_clause ] } } ] <logging_clause> ::= { LOGGING | NOLOGGING | FILESYSTEM_LIKE_LOGGING } <storage_clause> ::= STORAGE ({ INITIAL integer [ K | M ] | NEXT integer [ K | M ] | MINEXTENTS integer | MAXEXTENTS { integer | UNLIMITED } | PCTINCREASE integer | FREELISTS integer | FREELIST GROUPS integer | OPTIMAL [ integer [ K | M ] | NULL ] | BUFFER_POOL { KEEP | RECYCLE | DEFAULT } } [ INITIAL integer [ K | M ] | NEXT integer [ K | M ] | MINEXTENTS integer | MAXEXTENTS { integer | UNLIMITED } | MAXSIZE { { integer { K | M | G | T | P } } | UNLIMITED } | PCTINCREASE integer | FREELISTS integer | FREELIST GROUPS integer | OPTIMAL [ integer [ K | M ] | NULL ] | BUFFER_POOL { KEEP | RECYCLE | DEFAULT } ]... ) <LOB_deduplicate_clause> ::= { DEDUPLICATE | KEEP_DUPLICATES } <LOB_compression_clause> ::= { COMPRESS [ HIGH | MEDIUM | LOW ] | NOCOMPRESS } <LOB_encryption_clause> ::= { ENCRYPT [ USING 'encrypt_algorithm' ] [ IDENTIFIED BY password ] | DECRYPT } <XMLType_column_properties> ::= XMLTYPE [ COLUMN ] column [ XMLType_storage ] [ XMLSchema_spec ] <XMLType_storage> ::= STORE AS { OBJECT RELATIONAL | [ SECUREFILE | BASICFILE ] { CLOB | BINARY XML } [ { LOB_segname [ (LOB_parameters) ] | LOB_parameters } ] <varray_col_properties> ::= VARRAY varray_item { [ substitutable_column_clause ] STORE AS [ SECUREFILE | BASICFILE ] LOB { [ LOB_segname ] (LOB_parameters) | LOB_segname } | substitutable_column_clause }
ALTER TABLE [ schema.]table [ alter_table_properties | column_clauses | constraint_clauses | alter_table_partitioning | alter_external_table_clauses | move_table_clause ] [ enable_disable_clause | { ENABLE | DISABLE } { TABLE LOCK | ALL TRIGGERS } [ enable_disable_clause | { ENABLE | DISABLE } { TABLE LOCK | ALL TRIGGERS } ]... ] ; <column_clauses> ::= { { add_column_clause | modify_column_clause | drop_column_clause } [ add_column_clause | modify_column_clause | drop_column_clause ]... | rename_column_clause | modify_collection_retrieval [ modify_collection_retrieval ]... | modify_LOB_storage_clause [ modify_LOB_storage_clause ] ... | alter_varray_col_properties [ alter_varray_col_properties ] } <modify_LOB_storage_clause> ::= MODIFY LOB (LOB_item) ( modify_LOB_parameters ) <modify_LOB_parameters> ::= { storage_clause | PCTVERSION integer | FREEPOOLS integer | REBUILD FREEPOOLS | LOB_retention_clause | LOB_deduplicate_clause | LOB_compression_clause | { ENCRYPT encryption_spec | DECRYPT } | { CACHE | { NOCACHE | CACHE READS } [ logging_clause ] } | allocate_extent_clause | shrink_clause | deallocate_unused_clause } ...