List of Bank Holidays For England in SQL Format

List of Bank Holidays For England in SQL Format

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First off let’s create a table to store the bank holiday values. You may need to adjust this slightly depending on your SQL server technology being used (this was tested on MySQL/ MariaDB Server) but this is standard SQL dialect and should work on any RDBMS that respects the current SQL standards.

DROP TABLE IF EXISTS bank_holidays;
CREATE TABLE bank_holidays (
  holiday_date date NULL
, holiday_description INT NULL
, PRIMARY KEY (holiday_date)
);

The next step is to insert the bank holiday values below. This table is currently for 2012 up to 2019 for England and Wales.

INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20190101', 'New Year’s Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20190419', 'Good Friday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20190422', 'Easter Monday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20190506', 'Early May bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20190527', 'Spring bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20190826', 'Summer bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20191225', 'Christmas Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20191226', 'Boxing Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20181226', 'Boxing Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20181225', 'Christmas Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20180827', 'Summer bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20180528', 'Spring bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20180507', 'Early May bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20180402', 'Easter Monday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20180330', 'Good Friday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20180101', 'New Year’s Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20171226', 'Boxing Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20171225', 'Christmas Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20170828', 'Summer bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20170529', 'Spring bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20170501', 'Early May bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20170417', 'Easter Monday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20170414', 'Good Friday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20170102', 'New Year’s Day (substitute day)');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20161227', 'Christmas Day (substitute day)');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20161226', 'Boxing Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20160829', 'Summer bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20160530', 'Spring bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20160502', 'Early May bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20160328', 'Easter Monday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20160325', 'Good Friday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20160101', 'New Year’s Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20151228', 'Boxing Day (substitute day)');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20151225', 'Christmas Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20150831', 'Summer bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20150525', 'Spring bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20150504', 'Early May bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20150406', 'Easter Monday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20150403', 'Good Friday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20150101', 'New Year’s Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20141226', 'Boxing Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20141225', 'Christmas Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20140825', 'Summer bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20140526', 'Spring bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20140505', 'Early May bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20140421', 'Easter Monday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20140418', 'Good Friday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20140101', 'New Year’s Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20131226', 'Boxing Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20131225', 'Christmas Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20130826', 'Summer bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20130527', 'Spring bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20130506', 'Early May bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20130401', 'Easter Monday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20130329', 'Good Friday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20130101', 'New Year’s Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20121226', 'Boxing Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20121225', 'Christmas Day');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20120827', 'Summer bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20120605', 'Queen’s Diamond Jubilee (extra bank holiday)');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20120604', 'Spring bank holiday (substitute day)');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20120507', 'Early May bank holiday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20120409', 'Easter Monday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20120406', 'Good Friday');
INSERT INTO bank_holidays(holiday_date, holiday_description) VALUES('20120102', 'New Year’s Day (substitute day)');

For a more up to date list, please see my github page.

Please submit a PR if you have collated a list yourself, or have any updates to an existing list. The repository currently covers the UK, but I’d be more than happy to accept a PR for other countries! 


View Table Sizes in MySQL/ MariaDB Databases

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MySQL and MariaDB present a bunch of queryable objects that give you all sorts of insights into what’s happening with the database. 

The size of data stored in tabels is one such thing that can be easily queried directly in SQL, providing you have SELECT access to the information_schema. 

Create the two below views in a schema of your choice:

CREATE  OR REPLACE VIEW schema_size AS
SELECT   table_schema
,        round(SUM(((data_length + index_length) / 1024 / 1024)), 2) table_size_mb
FROM     information_schema.tables  
WHERE table_schema IN ('dv', 'da', 'hue')  
GROUP BY table_schema
ORDER BY table_size_mb DESC;

CREATE  OR REPLACE VIEW table_size AS
SELECT   table_schema
,        table_name 
,        round(SUM(((data_length + index_length) / 1024 / 1024)), 2) table_size_mb
FROM     information_schema.tables  
WHERE table_schema IN ('dv', 'da', 'hue')  
GROUP BY table_schema
,        table_name 
ORDER BY table_size_mb DESC;

See schema_size and table_size for more info.

You can now query each view to get the size, in megabytes, of a whole schema or individual table respectivley. 

SELECT * 
FROM   schema_size;

SELECT * 
FROM   table_size;
  • schema_size – displays the aggregated size of each schema in the database.
  • table_size – lists all tables in the database. You can add a filter to the table_schema column to limit the output.

MySQL/ MariaDB Table Size

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Create a MySQL or MariaDB view to show the size of each table in the database:

See database size for more information.

CREATE  OR REPLACE VIEW table_size AS
SELECT   table_schema
,        table_name 
,        round(SUM(((data_length + index_length) / 1024 / 1024)), 2) table_size_mb
FROM     information_schema.tables  
WHERE table_schema IN ('dv', 'da', 'hue')  
GROUP BY table_schema
,        table_name 
ORDER BY table_size_mb DESC

MySQL/ MariaDB Schema Size

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Create a MySQL or MariaDB view to show the aggregated size of each schema in the database:

See database size for more information.

CREATE  OR REPLACE VIEW schema_size AS
SELECT   table_schema
,        round(SUM(((data_length + index_length) / 1024 / 1024)), 2) table_size_mb
FROM     information_schema.tables  
WHERE table_schema IN ('dv', 'da', 'hue')  
GROUP BY table_schema
ORDER BY table_size_mb DESC

Oracle ORA-02287: sequence number not allowed here

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I’ve recently hit an issue when trying to include a sequence.nextval in an Oracle database view. the database throws the following error:

ORA-02287: sequence number not allowed here

I can see why that might not be allowed – each time you select from the view you’ll get a new sequence number making it a bit daft for most circumstances.

I say most because I’ve had a need recently; ETL logic at my current client is held in database views with a boilerplate set of code that wraps around that to perform the table load. That’s fine until you want to fabricate ID’s (SIDs) as part of the load.

Solution

The solution here was to create a utility package to wrap the sequence that could be referenced in the view. See the below example code:

CREATE SEQUENCE seq_test 
  MINVALUE 1 START WITH 1 INCREMENT BY 1 CACHE 20
/
CREATE OR REPLACE FUNCTION func_seq_test (p_sequence in VARCHAR2) RETURN NUMBER IS
   l_nextval NUMBER;
BEGIN
   EXECUTE IMMEDIATE 'select ' || p_sequence || '.nextval from dual'
         INTO l_nextval;

   RETURN l_nextval;
END;
/
CREATE OR REPLACE VIEW view_seq_test AS 
SELECT   func_seq_test('seq_test') seq_id
,        dummy
FROM     dual
/

You can now query the view without any pesky ORAs.

SELECT * FROM view_seq_test
/

    SEQ_ID D
---------- -
         1 X

1 row selected.

See the test script here.


Oracle View Sequence Test

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CREATE SEQUENCE seq_test 
  MINVALUE 1 START WITH 1 INCREMENT BY 1 CACHE 20
/
CREATE OR REPLACE FUNCTION func_seq_test (p_sequence in VARCHAR2) RETURN NUMBER IS
   l_nextval NUMBER;
BEGIN
   EXECUTE IMMEDIATE 'select ' || p_sequence || '.nextval from dual'
         INTO l_nextval;

   RETURN l_nextval;
END;
/
CREATE OR REPLACE VIEW view_seq_test AS 
SELECT   func_seq_test('seq_test') seq_id
,        dummy
FROM     dual
/
SELECT * FROM view_seq_test
/
DROP SEQUENCE seq_test
/
DROP FUNCTION func_seq_test
/
DROP VIEW view_seq_test
/

 


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