list the string operations supported by sql1
List the string operations supported by SQL?
1) Pattern matching Operation
2) Concatenation
3) Extracting character strings
4) Converting among uppercase and lower case letters.
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list the string operations supported by sql1 pattern matching operation2 concatenation3 extracting character strings4 converting among uppercase and
list the set operations of sql1 union2 intersect operation3 the except
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