Oracle SQL Plus The Definitive Guide- P34 pot

... to the rows from one of the tables to be joined. Then rows are read from the other table. As each row is read from the second table, the hash function is applied to the join columns, and the ... table. INDEX(table_name) Tells Oracle to access the specified table via and index scan. Optionally, you may specify the index to use; otherwise, Oracle chooses the index to u...

Ngày tải lên: 05/07/2014, 04:20

... by following these four steps: 1. Download and unzip the script files. 2. Start SQL* Plus. 3. Log into your Oracle database. 4. Run the BLD_DB .SQL script file. The screenshots in the remainder ... titled Starting SQL* Plus in Chapter 2, Interacting with SQL* Plus. Once you know how to start SQL* Plus, you can come back here and run the script to create the sample tab...

Ngày tải lên: 05/07/2014, 04:20

... Value SQL. PNO The current page number SQL. LNO The current line number SQL. RELEASE The current Oracle release SQL. SQLCODE The error code returned by the most recent SQL query SQL. USER The Oracle ... make up the page footer. When the number of remaining lines equals the number of lines in your footer, SQL* Plus prints the footer and advances to the next...

Ngày tải lên: 05/07/2014, 04:20

... terminal output is off by the time SQL* Plus reads the line containing the substitution variable. SQL* Plus does not handle this situation too well. You won't see a prompt for the substitution variable, ... prompts for the value. After prompting for a value and substituting it into the script in place of the corresponding variable, SQL* Plus will display both t...

Ngày tải lên: 05/07/2014, 04:20

... of PL /SQL code. When SQL* Plus encounters the EXECUTE command, it replaces the reference to the substitution variable with the value of that variable. The command after substitution, the one ... support the use of PL /SQL in a SQL* Plus script. They provide a mechanism for returning data from a PL /SQL block back to SQLlus, where it can be used in subsequent queries...

Ngày tải lên: 05/07/2014, 04:20

... Remember, the timer is a SQL* Plus timer. The hardware that matters is the machine running the SQL* Plus executable, not the one running the Oracle server. Timings can be useful in spotting trends. ... to the calling block. You must call the procedure from the outermost PL /SQL block in order to return the error to SQL* Plus. When that happens, SQL* Plus w...

Ngày tải lên: 05/07/2014, 04:20

... of SQL* Plus in detail, and also explains how to interpret the execution plan for a SQL statement. SET AUTOTRACE The AUTOTRACE setting is used to control whether or not SQL* Plus displays the ... autotrace feature. SQL* Plus will not display the execution plan or the statistics for each SQL statement. ON Turns the autotrace feature on. If no other parameters are supp...

Ngày tải lên: 05/07/2014, 04:20

... in reports, 73, 379 blank lines in SQL statements, 398 BLD_DB .SQL script file, 15 BLEVEL column (ALL_INDEXES), 189 BLOCKS column (ALL_TABLES), 183 blocks, PL /SQL, 36 executing, 36-39 execution ... structure for, 248-250 PL /SQL for, 252-254 scripting languages for, 254 simulating with REFCURSOR datatype, 245-248 simulating with WHERE clause, 244-245 SQL writing SQL, 250-252 BRE[AK] c...

Ngày tải lên: 05/07/2014, 04:20

... 339, 349, 429 IIST_COLUMNS .SQL (example), 195-200 IIST_CONSTRAINTS .SQL (example), 203-207 IIST_INDEXES .SQL (example), 211-214 IIST_SYN .SQL (example), 221-222 IIST_TRIGGERS .SQL (example), 216-218 l ... 414 looping, 254-262 generating files of commands, 257-259 PL /SQL for, 259-262 recursive execution, 255-257 LOWER parameter (SET SQLCASE), 399 LOW_VALUE column (ALL_TAB_COLUMNS), 185...

Ngày tải lên: 05/07/2014, 04:20

... Introduction to SQL* Plus 1 What Is SQL* Plus 1 History of SQL* Plus 6 Why Master SQL* Plus 8 Creating and Loading the Sample Tables 9 2. Interacting with SQL* Plus 18 Starting SQL* Plus 18 Some Basic SQL* Plus ... Edition. ORACLE, Oracle, Oracle Enterprise Manager, Oracle Personal Edition, Oracle Procedure Builder, Oracle Server, Oracle Server Manager, Ora...

Ngày tải lên: 05/07/2014, 04:20