what is primary key? 5 point
pmtibrahim18:
it is a unique value that represents a row in the table
primary key does not have duplicate values
it doesn't accept null values
only one primary key for one table
yea that's pretty much it
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Primary key. A primary key is a column -- or a group of columns -- in a table that uniquely identifies the rows in that table. ... The data values placed in the primary key column must be unique to each row; no duplicates can be used
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1) it is a unique value that represents a row in the table
2)primary key does not have duplicate values
3) it doesn't accept null values
4) only one primary key for one table
plz mark as brainliest
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