SQL – Database Tuning Table of content SQL Database Tuning Database Tuning in SQL is a set of activities performed to optimize a database and prevents it from becoming a bottleneck. There are various techniques with which you can configure the optimal performance of a particular database. Database tuning overlaps with query tuning; so, good […]
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SQL – Group By vs Order By Table of content In SQL, we have two commonly used clauses that help us to manipulate data; Group By clause and Order By clause. A Group By clause is used to arrange the identical data/records into groups and the Order By clause is used to sort the data […]
SQL – IN vs EXISTS Table of content In SQL, we use the IN operator to simplify queries and reduce the need for multiple OR conditions. It allows us to match a value against a list of values. On the other hand, the EXISTS operator checks whether one or more rows exist in a subquery […]