Thursday, 10 October 2019

MSSQL Data formatter

Below is a list of formats and an example of the output.  The date used for all of these examples is "2006-12-30 00:38:54.840".
DATE ONLY FORMATS
Format #QuerySample
1select convert(varchar, getdate(), 1)12/30/06
2select convert(varchar, getdate(), 2)06.12.30
3select convert(varchar, getdate(), 3)30/12/06
4select convert(varchar, getdate(), 4)30.12.06
5select convert(varchar, getdate(), 5)30-12-06
6select convert(varchar, getdate(), 6)30 Dec 06
7select convert(varchar, getdate(), 7)Dec 30, 06
10select convert(varchar, getdate(), 10)12-30-06
11select convert(varchar, getdate(), 11)06/12/30
12select convert(varchar, getdate(), 12)061230
23select convert(varchar, getdate(), 23)2006-12-30
101select convert(varchar, getdate(), 101)12/30/2006
102select convert(varchar, getdate(), 102)2006.12.30
103select convert(varchar, getdate(), 103)30/12/2006
104select convert(varchar, getdate(), 104)30.12.2006
105select convert(varchar, getdate(), 105)30-12-2006
106select convert(varchar, getdate(), 106)30 Dec 2006
107select convert(varchar, getdate(), 107)Dec 30, 2006
110select convert(varchar, getdate(), 110)12-30-2006
111select convert(varchar, getdate(), 111)2006/12/30
112select convert(varchar, getdate(), 112)20061230
TIME ONLY FORMATS
8select convert(varchar, getdate(), 8)00:38:54
14select convert(varchar, getdate(), 14)00:38:54:840
24select convert(varchar, getdate(), 24)00:38:54
108select convert(varchar, getdate(), 108)00:38:54
114select convert(varchar, getdate(), 114)00:38:54:840
DATE & TIME FORMATS
0select convert(varchar, getdate(), 0)Dec 12 2006 12:38AM
9select convert(varchar, getdate(), 9)Dec 30 2006 12:38:54:840AM
13select convert(varchar, getdate(), 13)30 Dec 2006 00:38:54:840AM
20select convert(varchar, getdate(), 20)2006-12-30 00:38:54
21select convert(varchar, getdate(), 21)2006-12-30 00:38:54.840
22select convert(varchar, getdate(), 22)12/30/06 12:38:54 AM
25select convert(varchar, getdate(), 25)2006-12-30 00:38:54.840
100select convert(varchar, getdate(), 100)Dec 30 2006 12:38AM
109select convert(varchar, getdate(), 109)Dec 30 2006 12:38:54:840AM
113select convert(varchar, getdate(), 113)30 Dec 2006 00:38:54:840
120select convert(varchar, getdate(), 120)2006-12-30 00:38:54
121select convert(varchar, getdate(), 121)2006-12-30 00:38:54.840
126select convert(varchar, getdate(), 126)2006-12-30T00:38:54.840
127select convert(varchar, getdate(), 127)2006-12-30T00:38:54.840
ISLAMIC CALENDAR DATES
130select convert(nvarchar, getdate(), 130)date output
131select convert(nvarchar, getdate(), 131)10/12/1427 12:38:54:840AM
You can also format the date or time without dividing characters, as well as concatenate the date and time string:
Sample statementOutput
select replace(convert(varchar, getdate(),101),'/','')12302006
select replace(convert(varchar, getdate(),101),'/','') + replace(convert(varchar, getdate(),108),':','')12302006004426

Tuesday, 8 October 2019

MySql script to provide tables names and its row count in a DB

SELECT table_name, table_rows
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = '**YOUR SCHEMA**';
SELECT CONCAT(
    'SELECT "', 
    table_name, 
    '" AS table_name, COUNT(*) AS exact_row_count FROM `', 
    table_schema,
    '`.`',
    table_name, 
    '` UNION '
) 
FROM INFORMATION_SCHEMA.TABLES 
WHERE table_schema = '**my_schema**';
ref link: https://stackoverflow.com/questions/286039/get-record-counts-for-all-tables-in-mysql-database

MSSQL server script to provide tables names and its row count in a DB

SELECT 
    TableName = t.NAME,
    TableSchema = s.Name,
    RowCounts = p.rows
FROM 
    sys.tables t
INNER JOIN 
    sys.schemas s ON t.schema_id = s.schema_id
INNER JOIN      
    sys.indexes i ON t.OBJECT_ID = i.object_id
INNER JOIN 
    sys.partitions p ON i.object_id = p.OBJECT_ID AND i.index_id = p.index_id
WHERE 
    t.is_ms_shipped = 0
GROUP BY
    t.NAME, s.Name, p.Rows
ORDER BY 
    s.Name, t.Name
ref link: https://stackoverflow.com/questions/9954775/script-that-provides-the-row-counts-and-table-names

The total number of locks exceeds the lock table size

 SHOW VARIABLES LIKE 'innodb_buffer_pool_size'; SET GLOBAL innodb_buffer_pool_size = 2147483648;  -- 2GB Note: The value is in byte...