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Pl/Sql interview questions
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1 What is ROWID? 127
2 What is the fastest way of accessing a row in a table? 121
3 What are the wildcards used for pattern matching.? 110
4 What is the parameter substitution symbol used with INSERT INTO command? 140
5 What's an SQL injection? 104
6 What is difference between TRUNCATE & DELETE ? 119
7 What is a join? Explain the different types of joins? 141
8 What is the sub-query? 116
9 What is correlated sub-query? 121
10 Explain CONNECT BY PRIOR? 107
 
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