Use the IF-THEN-ELSIF instead of a simple IF-ELSE if you have to evaluate multiple conditions. In such a case, if the specified condition is true, the associated statement within that branch will be executed. If all the specified conditions are evaluated to FALSE, then the control will be...
The syntax for the UPDATE statement when updating one table in PostgreSQL is: UPDATE table SET column1 = expression1 | DEFAULT, column2 = expression2 | DEFAULT, ... [WHERE conditions]; Parameters or Arguments column1, column2 The columns that you wish to update. expression1, expression2 Th...
This PostgreSQL tutorial explains how to use the PostgreSQL IN condition with syntax and examples. The PostgreSQL IN condition is used to help reduce the need to use multiple OR conditions in a SELECT, INSERT, UPDATE, or DELETE statement.
You cannot synchronize the DDL statements from a session that executes the SET session_replication_role = replica statement. You cannot synchronize DDL statements that are executed by invoking functions. If multiple SQL statements committed by the source database...
The WHERE clause is optional, but if you omit it, the statement will delete all rows in the table. The DELETE statement removes rows from a table in SQL SERVER: DELETE FROM table WHERE condition; The name of the table from which the rows are to be deleted is specified in the...
Babelfish throws an error if there is a failure during the upgrade. Fixed an issue with sender of XML data type to handle NULL value where it was causing client to hang. Fixed an issue where USE database statement was incorrectly allowed inside the procedure, function or trigger definition. ...
However, if specified, the insert or update is permitted only if the row is visible in the view. The LOCAL CHECK OPTION checks visibility against only the conditions of the view directly used, while the CASCADED CHECK OPTION (the default) checks against both the view and any underlyi...
PostgreSQL CASEs can have multiple conditions. There are a handful of entries in the table where the name of country and capital is the same. You can add this to your previously constructed CASE - SELECT name, continent, indep_year, CASE WHEN (indep_year < 1900) AND (countries.name = co...
Pretty-print of the select statement and the flexible control of the grid layouts(see set command) Automatically generate help documents for customized SQL/shell/etc scripts. Thealiascommand to reduce the frequent inputs The powerfulsnapandoracommands as the replacement of the standard CLI scripts, ...
if (save_log_statement_stats) ResetUsage(); /* * Start up a transaction command. All queries generated by the * query_string will be in this same command block, *unless* we find a * BEGIN/COMMIT/ABORT statement; we have to force a new xact command after * one of those, else bad...