Bulk collect in Oracle PL SQL Interview Questions And Answers For Experienced & Freshers | Interview Preparation
When resource table having large amount of data and when we try to transfer this data into collection using cursor then those type of applications degrades the performance because cursor is record by record process.
To overcome this problem oracle 8i introduced bulk collect clause. when we use bulk collect clause then oracle server automatically select all column data at a time and stores that data into collections.
This clause is used in executable section of the PLSQL block. Target is collection then only we are using bulk collect clause.
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