I want to split a multilinestring or linestring like LINESTRING(0 0, 1 0, 1 1, 0 1) into linestrings consisting of two points. So the linestring above would become: LINESTRING(0 0, 1 0) LINESTRING(1 0, 1 1) LINESTRING(1 1, 0 1) I would also like to be able to do the same with multilinestrings. Answer Use a LA…
How to find out if variable value in database json column Codeigniter?
Im using Codeigniter. Im trying to get some value in database like; the problem is ‘json_value’ column is like = [{“name”:”test1″,”value”:”test1″},{“name”:”test2″,”value”:”test2″}] how can I get ‘…
Powershell sorting columns
I was able to sort the column and remove duplicates using -Unique My problem is that I can’t remove a specific row using the status property ID Name Status 1 John Current 1 John Future 2 Mary Future 2 Mary Notice 3 Paul Future I want the rows to be unique by status order. Current Notice Future Example: …
Compound trigger to insert into another table after insert or update into the main table
I’m working on a compound trigger and I’m having difficulties figuring out how to make it work. The trigger is on the person table. There is a column woman_act. If a new row is inserted and that column is not null than we need to insert that row into the v_changes table or if that column is update…
How do I use ROW_NUMBER in MySQL to check number of rows per day per employee?
I’m storing punch-in and punch-out data in a table that looks like so: id empid punchtime 74 4 2021-08-04 17:11:54 171 4 2021-08-06 13:47:45 202 4 2021-08-09 10:14:01 271 4 2021-08-09 18:20:01 308 4 2021-08-10 11:14:54 343 4 2021-08-10 14:46:21 349 4 2021-08-10 15:22:10 380 4 2021-08-10 18:10:58 406 4 2…
Order by 2 columns with case
I have a query that searches for user in 2 colums firstUser and secondUser and orders them by first and last name: But this first orders the cases when user is at first user then it orders the case when user is secondUser. Is ther a way to order the whole data by first name and last name no matter
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I am not sure what is wrong with following hive query. However, it’s throwing error. I am able to run this queries individually. However, facing issues while running with union Error Answer Hive versions prior to 1.2.0 only support UNION ALL Workaround: Use UNION ALL instead of UNION, wrap all into subq…
Apply column filter on summed columns in DB2
I have the following DB2 table: COLUMN_NAME DATA_TYPE TYPE_NAME COLUMN_SIZE COLUMN_TEXT DMPROD -2 CHAR () FOR BIT DATA 35 Product Code DMPTYP -2 CHAR () FOR BIT DATA 1 Period Type DMTYPE -2 CHAR () FOR BIT DATA 6 Type of Data DMVL01 3 DECIMAL 17 Value Period 1 DMVL02 3 DECIMAL 17 Value Period 2 DMVL03 3 DECIM…
Oracle SQL – Splitting string every 70 characters without splitting a word and deriving sequence number
I currently working on a table on Oracle and I need to split one its field (RH02X) into multiple rows when it the field exceeds 70 characters but I also need to make sure that no word would be cut. I am only allowed to use SQL without PL/SQL. For example, I have the following data from the table test_remarks
SQL query for top N people as per spending in each state for top M states
I have a table with 4 columns (about 10M rows) I want to get the “Top N people as per spending in each state for top M states” using an SQL query on the table. I am using PostgreSQL. Can someone help me out? Note: There are multiple entries per person and per state. However, 1 person can live only