I have 2 tables, TABLE_A and TABLE_B.
TABLE_A has a field B_ID which contains the ID of corresponding record in the TABLE_B. In the TABLE_B some of the referenced records were deleted.
What I need to do is to run through TABLE_A and select all B_ID for which there is no corresponding record in...
Hi all,
I'm a newbie here. I did search for what I'm going to ask and couldn't find anything similar, so here it is:
For data analysis purpose I have to create one table that contains data from several tables. SQL to create it is rather complex, but after the table is created all consequent...
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