diff --git a/Notes/Unit 2/0-DBMS - Unit 2 (SQL and PL-SQL).pdf b/Notes/Unit 2/0-DBMS - Unit 2 (SQL).pdf
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diff --git a/Notes/Unit 2/DBMS - Unit 2 (PL-SQL).pdf b/Notes/Unit 2/1-DBMS - Unit 2 (PL-SQL).pdf
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rename from Notes/Unit 2/DBMS - Unit 2 (PL-SQL).pdf
rename to Notes/Unit 2/1-DBMS - Unit 2 (PL-SQL).pdf