What are local and global variables and their differences?
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Explain what is a field in a database and record in a database?
how can we know the number of days between two given dates using mysql? : Sql dba
What are the advantages of sql?
what are ddl statements in mysql? : Sql dba
How to fetch alternate records from a table?
What is %type in sql?
What is a sql schema used for?
diff b/w sub query and co-relater query?
What is a null value?
what are null values? : Sql dba
Explain about various levels of constraint.
TABLE A TABLE B EMPNO ENAME EMPNO ENAME 1 A 1 A 2 B 2 B 3 C 3 C 4 D 4 D 5 E 5 E 6 F 7 G HOW TO GET THE UNMATCHED RECORDS IN SQL QUERY?
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