What are pl/sql cursors?
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Can cursors be part of a trigger body?
What are string functions in sql?
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How long it takes to learn pl sql?
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what is meant by urlencode and urldocode? : Sql dba
In a table i have columns A,B,C and i have a composite index on columns A,B if so will the following query uses index or not? SELECT sal,name FROM <table_name> WHERE A=<value> AND B=<value> AND C=<value>;