1. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
18(ish) Things You'll ♥ About
Oracle Database 18c
Chris Saxon, @ChrisRSaxon & @SQLDaily
blogs.oracle.com/sql
youtube.com/c/TheMagicofSQL
asktom.oracle.com
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

2. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
Safe Harbor Statement
The following is intended to outline our general product direction. It is intended for
information purposes only, and may not be incorporated into any contract. It is not a
commitment to deliver any material, code, or functionality, and should not be relied upon
in making purchasing decisions. The development, release, and timing of any features or
functionality described for Oracle’s products remains at the sole discretion of Oracle.
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

3. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
18c (12.2.0.2)
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4. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
ext_tab
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sales.csv

5. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
ext_tab
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sales_20180101.csv
sales_20180102.csv
sales_20180103.csv

6. External Table
Parameter Override
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(12.2)

7. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select * from ext_tab external modify (
[ default directory ]
[ location ]
[ (bad|log|discard)file parameters ]
[ reject limit ]
);
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
(12.2)

8. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select * from ext_tab external modify (
location ('sales_20180101.csv')
);
select * from ext_tab external modify (
location ('sales_20180102.csv')
);
select * from ext_tab external modify (
location ('sales_20180103.csv')
); blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
(12.2)

9. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
ext_tab
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
sales_20180101.csv
sales_20180102.csv
sales_20180103.csv

10. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
create table ext_tab (
csv_str varchar2(4000)
) organization external (
...
);
select csv_str from ext_tab;
v1,v2,v3,v4
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
How to convert to ?

11. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
substr (
csv_str, instr ( csv_str, ',', 1 ) + 1,
instr ( csv_str, ',', 1, 2 ) –
instr ( csv_str, ',', 1 ) - 1
)
regexp_substr ( csv_str, '[^,]' )
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
Still fixed column list…

12. Polymorphic
Table Functions
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13. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select *
from csv_to_columns (
ext_tab, 'c1,c2,c3'
);
C1 C2 C3
v1 v2 v3
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

14. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select *
from csv_to_columns (
ext_tab, 'c1,c2,c3,c4'
);
C1 C2 C3 C4
v1 v2 v3 v4
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

15. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
create or replace package csv_pkg as
end csv_pkg;
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

16. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
create or replace package csv_pkg as
function describe (
tab in out dbms_tf.table_t,
col_names varchar2
) return dbms_tf.describe_t;
procedure fetch_rows (
col_names varchar2
);
end csv_pkg;
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
Assign values
(optional)
Define new s

17. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
create or replace function csv_to_columns (
tab table,
col_names varchar2
) return table pipelined
row polymorphic using csv_pkg;
/
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

18. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
function describe ( tab in out dbms_tf.table_t )
return dbms_tf.describe_t as
begin
return dbms_tf.describe_t ( new_columns =>
dbms_tf.columns_new_t (
1 => dbms_tf.column_metadata_t( name =>'COL1' ),
2 => dbms_tf.column_metadata_t( name =>'COL2' ),
3 => dbms_tf.column_metadata_t( name =>'COL3' )
)
);
end;
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

19. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select * from add_three_cols ( dual );
DUMMY COL1 COL2 COL3
X <null> <null> <null>
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20. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
function describe(tab in out dbms_tf.table_t)
return dbms_tf.describe_t as
begin
return dbms_tf.describe_t ( new_columns =>
dbms_tf.columns_new_t (
1 => dbms_tf.column_metadata_t( name =>'COL1' ),
2 => dbms_tf.column_metadata_t( name =>'COL2' ),
3 => dbms_tf.column_metadata_t( name =>'COL3' )
)
);
end;
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
What the…?

21. Qualified
Expressions
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22. aka ( array | record )
constructors
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23. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
type bool_vc_array is table of boolean
index by varchar2(10);
arr bool_vc_array ;
begin
arr('18c') := true;
arr('is') := true;
arr('awesome') := true;
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

24. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
type bool_vc_array is table of boolean
index by varchar2(10);
arr bool_vc_array := bool_vc_array (
'18c' => true,
'is' => true,
'awesome' => true
);
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

25. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
type complex is record (
with_lots varchar2(100),
and_lots varchar2(100),
and_lots_and_lots varchar2(100),
of_attrs varchar2(100)
);
rec complex;
begin
rec.with_lots := 'you have to assign';
rec.and_lots := 'one';
rec.and_lots_and_lots := 'by one';
rec.of_attrs := 'by one';
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

26. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
type complex is record (
with_lots varchar2(100),
and_lots varchar2(100),
and_lots_and_lots varchar2(100),
of_attrs varchar2(100)
);
rec complex := complex (
with_lots => 'you can now assign',
and_lots => 'in',
and_lots_and_lots => 'one',
of_attrs => 'statement!'
);
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

27. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
All I wanted
was different
columns!
Ryan McGuire / Gratisography

28. <Inline>
External Tables
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29. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select * from external (
<your external table def>
);
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30. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select * from external ( (
c1 varchar2(10)
)
default directory tmp
location ('test.txt')
);
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

31. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select * from external ( (
c1 varchar2(10), c2 varchar2(10)
)
default directory tmp
location ('test.txt')
);
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

32. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
insert into db_table
select * from external ( (
c1 varchar2(10), c2 varchar2(10)
)
default directory tmp
location ('test.txt')
);
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
How do you match the ?!

33. Private Temporary
Tables
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34. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
create private temporary table
ora$ptt_file_data (
c1 varchar2(2),
c2 varchar2(2),
c3 varchar2(2)
);
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
Only exists in your session
private_temp_table_prefix

35. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select * from user_tables
where table_name = 'ORA$PTT_FILE_DATA';
no rows selected
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

36. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
create private temporary table
ora$ptt_file_data (
c1 varchar2(2),
c2 varchar2(2),
c3 varchar2(2)
);
insert into ora$ptt_file_data values
(
'v1', 'v2', 'v3'
);
create private temporary table
ora$ptt_file_data (
c1 integer,
c2 date
);
insert into ora$ptt_file_data values
(
1, sysdate
);
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
Session 1 Session 2

37. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
commit;
select * from ora$ptt_file_data;
ORA-00942: table or view does not exist
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

38. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
create private temporary table
ora$ptt_<table_name> (
<columns>
) on commit
[ preserve | drop ] definition;
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
default

39. { JSON }
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

40. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
{
"department": "Accounting",
"employees": [
{
"name": "Shelley, Higgins",
"job": "Accounting Manager"
},
{
"name": "William, Gietz",
"job": "Public Accountant"
}
]
}
check ( employees_json is json )
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
(12.1.0.2)

41. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
select d.employees_json.department
from departments d;
Dot-notation
access of attrs
(12.1.0.2)
DEPARTMENT_NAME
Accounting

42. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
select d.employees_json
from departments d;

43. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
DEPARTMENT_NAME EMPLOYEE_NAME JOB_TITLE
Accounting Shelley, Higgins Accounting Manager
Accounting William, Gietz Public Accountant
select d.employees_json
from departments d;
? ?

44. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select d.department_id, j.*
from departments d, json_table (
d.dept_data, '$' columns (
department path '$.department',
nested path '$.employees[*]'
columns (
name path '$.name',
job path '$.job'
) ) ) j;
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
(12.1.0.2)

45. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select d.department_id, j.*
from departments d, json_table (
d.dept_data, '$' columns (
department path '$.department',
nested path '$.employees[*]'
columns (
name path '$.name',
job path '$.job'
) ) ) j;
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
(12.1.0.2)

46. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
DON'T REPEAT YOURSELF
DON'T REPEAT YOURSELF
DON'T REPEAT YOURSELF
DON'T REPEAT YOURSELF
DON'T REPEAT YOURS...

47. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select d.department_id, j.*
from departments d, json_table (
d.dept_data, '$' columns (
department path '$.department',
nested path '$.employees[*]'
columns (
name path '$.name',
job path '$.job'
) ) ) j;
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
(12.1.0.2)

48. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select d.department_id, j.*
from departments d, json_table (
d.dept_data columns (
department,
nested employees[*]
columns (
name,
job
) ) ) j;
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
(18c)
path '$.employees.job'

49. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
{
"department": "Accounting",
"employees": [
{
"name": "Shelley, Higgins",
"job": "Accounting Manager"
},
{
"name": "William, Gietz",
"job": "Public Accountant"
}
]
}
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

50. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
json_array
json_arrayagg
json_object
json_objectagg
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
(12.2)

51. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
json_array
json_arrayagg
json_object
json_objectagg
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
(18c)
clob
blob
timestamp tz
intervals
raw
binary_double
binary_float
nvarchar2
clob
blob
Improved Data Type Support

52. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
{
"department": "Accounting",
"employees": [ {
"name": "Shelley, Higgins",
"job": "Accounting Manager"
}, {
"name": "William, Gietz",
"job": "Public Accountant"
} ]
}
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
{"employees": [
{"name": "Shelley, Higgins",
"job": "Accounting Manager"},
{"name": "William, Gietz",
"job": "Public Accountant"} ],
"department": "Accounting"}

53. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
{
"department": "Accounting",
"employees": [ {
"name": "Shelley, Higgins",
"job": "Accounting Manager"
}, {
"name": "William, Gietz",
"job": "Public Accountant"
} ]
}
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
{"employees": [
{"name": "Shelley, Higgins",
"job": "Accounting Manager"},
{"name": "William, Gietz",
"job": "Public Accountant"} ],
"department": "Accounting"}
is this = this?

54. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
{
"department": "Accounting",
"employees": [ {
"name": "Shelley, Higgins",
"job": "Accounting Manager"
}, {
"name": "William, Gietz",
"job": "Public Accountant"
} ]
}
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
{"employees": [
{"name": "Shelley, Higgins",
"job": "Accounting Manager"},
{"name": "William, Gietz",
"job": "Public Accountant"} ],
"department": "Accounting"}
is this = this?

55. JSON_equal (
'{JSON}',
'{ JSON }'
)
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

56. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select case when json_equal ( treat ( '{
"department": "Accounting",
"employees": [
{"name": "Shelley, Higgins"},
{"name": "William, Gietz"}
]}' as json ) ,
treat ( '{"employees": [
{ "name": "Shelley, Higgins" },
{ "name": "William, Gietz" }
],
"department": "Accounting"}' as json )
) then 'oh yes!' end
from dual
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
Ignores insignificant:
• whitespace
• attribute order

57. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
seq_id.nextval seq_id.nextval seq_id.nextval seq_id.nextval seq_id.nextval seq_id.nextval

58. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
seq_id.nextval seq_id.nextval seq_id.nextval seq_id.nextval seq_id.nextval seq_id.nextval

59. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
seq_id.nextval seq_id.nextval seq_id.nextval seq_id.nextval seq_id.nextval seq_id.nextval

60. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
seq_id.nextval seq_id.nextval seq_id.nextval seq_id.nextval seq_id.nextval seq_id.nextval

61. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
seq_id.nextval seq_id.nextval seq_id.nextval seq_id.nextval seq_id.nextval seq_id.nextval
Reverse Key
Hash Partition

62. Scaleable
Sequences
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63. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
create sequence scale_seq scale extend;
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

64. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select scale_seq.nextval from dual
connect by level <= 5;
NEXTVAL
1011260000000000000000000000000001
1011260000000000000000000000000002
1011260000000000000000000000000003
1011260000000000000000000000000004
1011260000000000000000000000000005
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
Instance &
session offset
Sequence
values

65. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
alter sequence scale_seq scale noextend;
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

66. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select scale_seq.nextval from dual
connect by level <= 5;
NEXTVAL
1011260000000000000000000006
1011260000000000000000000007
1011260000000000000000000008
1011260000000000000000000009
1011260000000000000000000010
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

67. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
ext_tab
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sales_10million.csv

68. In-Memory
External Tables
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69. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
alter table ext_tab
inmemory;
exec dbms_inmemory.populate(
user,'ext_tab'
);
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

70. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select count(*) from t;
--------------------------------------------
| Id | Operation | Name |
--------------------------------------------
| 0 | SELECT STATEMENT | |
| 1 | SORT AGGREGATE | |
| 2 | EXTERNAL TABLE ACCESS FULL| T |
--------------------------------------------
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
Boring old Ext FTS :(

71. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
alter session set
query_rewrite_integrity = stale_tolerated;
select count(*) from t;
-----------------------------------------------------
| Id | Operation | Name |
-----------------------------------------------------
| 0 | SELECT STATEMENT | |
| 1 | SORT AGGREGATE | |
| 2 | EXTERNAL TABLE ACCESS INMEMORY FULL| T |
-----------------------------------------------------
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

72. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
alter session set
query_rewrite_integrity = stale_tolerated;
select /*+ no_inmemory */count(*) from t;
--------------------------------------------
| Id | Operation | Name |
--------------------------------------------
| 0 | SELECT STATEMENT | |
| 1 | SORT AGGREGATE | |
| 2 | EXTERNAL TABLE ACCESS FULL| T |
--------------------------------------------
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

73. Ignore Optimizer
Hints
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74. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
alter session set
optimizer_ignore_hints = true;
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

75. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
alter session set
query_rewrite_integrity = stale_tolerated;
select /*+ no_inmemory */count(*) from t;
-----------------------------------------------------
| Id | Operation | Name |
-----------------------------------------------------
| 0 | SELECT STATEMENT | |
| 1 | SORT AGGREGATE | |
| 2 | EXTERNAL TABLE ACCESS INMEMORY FULL| T |
-----------------------------------------------------
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

76. Security
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

77. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
Principle of
Least
Privilege
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

78. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
execute
plsql f (x)

79. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
alter user data_owner account lock;
conn data_owner/random_password
ORA-28000: The account is locked.
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80. Schema Only
Accounts
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

81. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
create user data_owner
no authentication;
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

82. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
conn data_owner/random_password
ORA-01017: invalid username/password;
logon denied
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

83. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
Sooooo…..
How do I
run scripts?

84. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
grant create session to proxy_user
identified by proxy_user;
alter user data_owner
grant connect through proxy_user;
conn proxy_user[data_owner]/proxy_user
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
run with data_owner privs

85. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
proxy_user
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

86. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
proxy_user
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

87. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
proxy_user
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

88. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
mary_dba_proxy
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

89. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
mary_dba_proxy
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

90. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
mary_dba_proxy
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

91. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
Authentication Data
Authorization Data
Oracle
Directory Services
Map Users / Roles
Enterprise Domains
Oracle
Database
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

92. Direct AD
Integration
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

93. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
Authentication Data
Authorization Data
Oracle
Directory Services
Map Users / Roles
Enterprise Domains
Oracle
Database
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

94. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
OracleBuy stuff!

95. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
Oracle PL/SQL Programming Paperback – 16 Feb 2014
by Steven Feuerstein (Author), Bill Pribyl (Author)
Cost-Based Oracle Fundamentals: v. 1 (Expert's Voice in Oracle)
Paperback – 24 Jan 2007
by Jonathan Lewis (Author)
Expert Oracle Database Architecture: Oracle Database 9i, 10g, and 11g
Programming Techniques and Solutions Paperback – 26 Jul 2010
by Thomas Kyte (Author)
Books (569)
DVDs (93)
Music (57)
Video Games (15)
Mystic Cards (2)
Extractor Fans (1)
Furniture (1)
Unicycles (1)
OracleBuy Stuff!Category

96. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
with rws as (
select product_type, count(*) ct
from products
where product_name like '%ORACLE%'
group by product_type
)
select * from rws
order by ct desc
fetch first 4 rows only;
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97. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
-------------------------------------------------------------------------
| Id | Operation | Name | Starts | E-Rows | A-Rows |
-------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 1 | | 4 |
| 1 | SORT ORDER BY | | 1 | 4 | 4 |
|* 2 | VIEW | | 1 | 4 | 4 |
|* 3 | WINDOW SORT PUSHED RANK| | 1 | 38371 | 4 |
| 4 | HASH GROUP BY | | 1 | 38371 | 3202 |
|* 5 | TABLE ACCESS FULL | PRODUCTS | 1 | 38371 | 23920 |
-------------------------------------------------------------------------
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could spill to …

98. Aprox Tp-N
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99. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select product_type,
count(*) c
from supermassive
where product_name like '%ORACLE%'
group by product_type
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100. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select product_type,
approx_count(*) c
from supermassive
where product_name like '%ORACLE%'
group by product_type
having approx_rank(
order by approx_count(*) desc
) <= 5
order by approx_count(*) desc;
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
Mandatory!

101. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
----------------------------------------------------------------------
| Id | Operation | Name | Starts | E-Rows | A-Rows |
----------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 1 | | 4 |
| 1 | SORT ORDER BY | | 1 | 4 | 4 |
| 2 | SORT AGGREGATE APPROX| | 1 | 4 | 4 |
|* 3 | TABLE ACCESS FULL | PRODUCTS | 1 | 38371 | 23920 |
----------------------------------------------------------------------
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

102. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
Oracle PL/SQL Programming Paperback – 16 Feb 2014
by Steven Feuerstein (Author), Bill Pribyl (Author)
Cost-Based Oracle Fundamentals: v. 1 (Expert's Voice in Oracle)
Paperback – 24 Jan 2007
by Jonathan Lewis (Author)
Expert Oracle Database Architecture: Oracle Database 9i, 10g, and 11g
Programming Techniques and Solutions Paperback – 26 Jul 2010
by Thomas Kyte (Author)
Books (569)
DVDs (93)
Music (57)
Video Games (15)
OracleBuy Stuff!Category
Cust. Reviews
10/10 (55)
9/10 (23)
8/10 (356)
7/10 (157)

103. Oracle Text
Faceted Navigation
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104. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
ctx_query.result_set(
'text_index', 'ORACLE',
'<ctx_result_set_descriptor>
<hitlist start_hit_num="1" end_hit_num="3"
order="score desc"><snippet /></hitlist>
<group sdata="product_type" topn="3" sortby="count desc">
<count/></group>
<group sdata="rating" topn="3" sortby="value desc">
<count exact="true"/></group>
</ctx_result_set_descriptor>',
result_set);
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

105. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
<ctx_result_set>
<hitlist>
<hit><snippet><segment>
Expert <highlight>Oracle</highlight> DB Architecture
</segment></snippet></hit>
<hit><snippet><segment>
<highlight>Oracle</highlight> PL/SQL Programming
</segment></snippet></hit>
<hit><snippet><segment>
Cost-Based <highlight>Oracle</highlight> Fundamentals
</segment></snippet></hit>
</hitlist>
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

106. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
<groups sdata="PRODUCT_TYPE">
<group value="BOOKS"><count>569</count></group>
<group value="DVDS"><count>93</count></group>
<group value="MUSIC"><count>57</count></group>
</groups>
<groups sdata="RATING">
<group value="10"><count>55</count></group>
<group value="9"><count>23</count></group>
<group value="8"><count>356</count></group>
</groups>
</ctx_result_set>
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

107. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
Awesome!
How can I play with 18c?
Ryan McGuire / Gratisography
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

108. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

109. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

110. Annual XE Releases
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111. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
2
2Gb
12Gb
EE Compatible
100% FREE
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112. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select *
from my_super_slow_query;
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113. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select *
from my_super_slow_query;
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114. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select *
from my_super_slow_query;
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon
ORA-00028:
your session has been killed

115. Cancel SQL
Statements
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116. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
select sid || ',' || serial#
into sess
from v$session
where username = 'CHRIS'
and action = '18 about 18';
execute immediate 'alter system
cancel sql ''' || sess || '''';
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117. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
ORA-01013:
user requested cancel of current operation
blogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon

118. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
livesql.oracle.com
#MakeDataGreatAgain
Ryan McGuire / Gratisographyblogs.oracle.com/sql www.youtube.com/c/TheMagicOfSQL @ChrisRSaxon