Compare execution plans and measure runtime. 𝟱. 𝗨𝘀𝗲 𝗶𝗻𝗱𝗲𝘅𝗲𝘀 Filters and joins on indexed columns can reduce query time from seconds to milliseconds. 𝗕𝗼𝗻𝘂𝘀: clean code and optimized ...
11. Difference between %TYPE and %ROWTYPE in PL/SQL. 12. Have you used collections? When do you use an associative array? 13. If you want to pass a Customer ID as input and return multiple rows, how ...
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