I need to format a float decimal number into a time format hour:minute. I wrote this Scalar-Value Functions with an input float and output varchar(6): It looks like great, but not for everything records. This is my output: As you can see from the results, there are 3 wrongs conversion: 0.33 = 00:19 // 0.58 = 00:34 // 0.83 =
Tag: type-conversion
How to consider a long “integer” as a string in SQL query when useing R to connect HANA?
I am using R package RODBC to connect HANA. One of the columns is like a long integer, but actually used as a string such as 2772161413309, 4239530000000239. SQL takes such data as integers. In R, …
Hive Create table – When to use VARCHAR and STRING as column data type
I am trying to create a HIVE table. I am not sure when we use VARCHAR and when we use String. If we use VARCHAR then do we have to define length like we define in RDBMS as VARCHAR(10) Please help Answer VARCHAR was introduced in Hive 0.12.0 for more SQL-compliant behavior, such as SQL string comparison semantics, max length,
MySQL code to convert Excel datetime
Excel’s datetime values look like 42291.60493, which means MySQL sees them as strings and not as dates. Is there a MySQL code that can convert them to MySQL datetime? (i.e. like in MS SQL) Answer I can think of 2 solutions: Convert your dates within excel to a formatted date string that conforms to mysql’s date and time format using
How to convert varchar column values into int?
I have a column toysid which is of varchar datatype in one table. Also another table having same the column toysid with int datatype (I know I can modify column for first table but I have to follow some procedure to keep it as varchar). I have written following query to join the table: The query returns error: Conversion failed