Subqueries can be used in aSET UPDATEclause of anUPDATE statement. In this case, the subquery must produce a result table that contains a maximum of one row. Subqueries can be used in anINSERT statement. Subqueries can be used in the following predicates: ...
BulkInsertBase BulkInsertOption BulkInsertOptionKind BulkInsertStatement BulkOpenRowset CallTarget CaseExpression CastCall CatalogCollation CatalogCollationOption CellsPerObjectSpatialIndexOption CertificateCreateLoginSource CertificateOption CertificateOptionKinds CertificateStatementBase ChangeRetentionChangeTrackingOp...
A subquery can be nested inside the WHERE or HAVING clause of an outer SELECT, INSERT, UPDATE, or DELETE statement, or inside another subquery. Up to 32 levels of nesting is possible, although the limit varies based on available memory and the complexity of other expressions in the query. ...
MariaDB· 新鲜特性·ANALYZE statement 语法 MariaDB 10.1版本中新增加了一个 ANALYZE statement 命令。这个命令跟 EXPLAIN statement 命令类似,但不同的是, ANALYZE statement 命令调用优化器生成执行计划并且会真实的去执行语句,再用 EXPLAIN 的输出来替代结果集,并且 EXPLAIN 结果是实际语句执行中统计出来的。 这个语...
A subquery can be nested inside the WHERE or HAVING clause of an outer SELECT, INSERT, UPDATE, or DELETE statement, or inside another subquery. Up to 32 levels of nesting is possible, although the limit varies based on available memory and the complexity of other expressions in the query. ...
BulkInsertBase BulkInsertOption BulkInsertOptionKind BulkInsertStatement BulkOpenRowset CallTarget CaseExpression CastCall CatalogCollation CatalogCollationOption CellsPerObjectSpatialIndexOption CertificateCreateLoginSource CertificateOption CertificateOptionKinds CertificateStatementBase ChangeRetentionChangeTrackingOption...
BulkInsertStatement BulkOpenRowset CallTarget CaseExpression CastCall CatalogCollation CatalogCollationOption CellsPerObjectSpatialIndexOption CertificateCreateLoginSource CertificateOption CertificateOptionKinds CertificateStatementBase ChangeRetentionChangeTrackingOptionDetail ChangeTableChangesTableReference ChangeTa...
INSERT Statement INTERSECT Clause LOAD DATA Statement LOAD XML Statement Parenthesized Query Expressions REPLACE Statement SELECT Statement Set Operations with UNION, INTERSECT, and EXCEPT Subqueries The Subquery as Scalar Operand Comparisons Using Subqueries Subqueries with ANY, IN, or SOME ...
With ABAP 7.50, there is a new position for a subquery in Open SQL: Behind FROM of statement INSERT. This can help you to avoid unnecessary round trips of aggregated data between database and application server. I simply show you the example from the documentation: Before 7.50: INSERT FROM...
I have similar problem with subqueries in update/delete SQL statement. It is very painful restriction to disalow the updated table in the subquery. Is it considered "officially" as a drawback? Is there a plan to fix it in MySQL 4.1?