POSTGRESQL Articles
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postgresql get the nth element from comma separated list
Murugan Andezuthu Dharmaratnam | 25 February 2022 | 1338
how to get the nth element from comma separated list in postgressql … CONTINUE READING
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postgresql update table from another table with columns from second table
Murugan Andezuthu Dharmaratnam | 03 February 2022 | 2665
Postgresql update table a from another table b with columns from table b where table a column matches table b column. This can be done using an update from select query … CONTINUE READING
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PostgreSQL update from select inline query deadlock
Murugan Andezuthu Dharmaratnam | 03 February 2022 | 1569
when I call an update from select with join and where condition I was getting a deadlock. The solution is shown below. … CONTINUE READING
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PostgreSQL release lock on table
Murugan Andezuthu Dharmaratnam | 02 February 2022 | 1998
How to find and release lock on a PostgreSQL table … CONTINUE READING
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postgresql rows to comma separated string
Murugan Andezuthu Dharmaratnam | 01 February 2022 | 1503
PostgreSQL function to return comma delimited string from rows. In this example, I have a state table, and the function returns comma separated state names … CONTINUE READING
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postgresql create rows for date from start date to end date
Murugan Andezuthu Dharmaratnam | 01 February 2022 | 1519
sample query PostgreSQL create rows for date from start date to end date … CONTINUE READING
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postgresql function to get number of days in a month
Murugan Andezuthu Dharmaratnam | 28 January 2022 | 2129
You can call no direct function to get the number of days in a month from a date in PostgreSQL. In MSSQL, it's straightforward; you can use the day and eomonth function to get the number of days, but we don't have the eomonth function in PostgreSQL. So here is a function I have written to get the number of data in a month given a date. … CONTINUE READING
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postgresql update json field
Murugan Andezuthu Dharmaratnam | 11 October 2021 | 568
How do I modify fields inside the new PostgreSQL JSON datatype? … CONTINUE READING
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postgresql month name from date
Murugan Andezuthu Dharmaratnam | 22 September 2021 | 1636
how to get month name from date in postgresql … CONTINUE READING
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Function uuid_generate_v4() does not exist postgresql
Murugan Andezuthu Dharmaratnam | 22 September 2021 | 2407
Function uuid_generate_v4() does not exist postgresql … CONTINUE READING
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cursor in postgresql example
Murugan Andezuthu Dharmaratnam | 22 September 2021 | 1692
here is a sample code to insert data into a table in postgresql using cursor. … CONTINUE READING