The "Where" Clause in IT

‘Where’ Clause in IT
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‘Where’ Clause in IT
The 'where' clause is usually used in computer science and programming to excerpt only those records that satisfy an actual situation or are used in joining more than one table in a specified record. The clause is further combined with AND, NOT, and OR operators, which are utilized in filtering records based on more than one condition (Shekhar, 2020). Since the clause is considered a beneficial function in programming, its absence in a query might cause many problems.
The SQL statement is utilized in choosing rows according to given specifications in your data entry and will generally increase the performance but should be phrased carefully so that the database does not examine a significant part of the index (Winand, 2021). A case in point is that it is more costly to return information and filter in the application; thus, it reduces ...