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Oracle9i offers some great tools to make it easy to view the execution plan and trace information for a SQL statement. Prior to Oracle8i, you had to create a plan table and execute special syntax ...
While checking SQL syntax itself is somewhat straightforward, [Joe]’s sql-lint tool will also check the semantics of it by looking up the actual database and performing sanity checks on it.
It’s sometimes difficult to know which SQL syntax to use when combining data that spans multiple tables. SQL provides several different statements for performing this type of task; knowing which ...
The EXECUTE statement sends dynamic non-query, DBMS-specific SQL statements to the DBMS and processes those statements. In some SAS/ACCESS interfaces, you can issue an EXECUTE statement directly ...
Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier.
The CONNECT statement establishes a connection with the DBMS. You establish a connection to send DBMS-specific SQL statements to the DBMS or to retrieve DBMS data. The connection remains in effect ...