Replace or delete values in a field or split a field value into an array JSON functions Convert a string to the JSON format Convert JSON data to a string and check whether a string contains a specific value Query the value of the element with the specified index and the size of a...
An ORDER BY clause contains a list of the fields that you want to use for sorting, in the same order that you want to apply the sort operations. For example, suppose that you want your results sorted first by the value of the field Company in descending order, and — if t...
The table above contains five records (one for each customer) and seven columns (CustomerID, CustomerName, ContactName, Address, City, PostalCode, and Country). Keep in Mind That... SQL keywords are NOT case sensitive:selectis the same asSELECT ...
存在page 参数,重新生成 count sql 和 page sql,并执行查询。不存在 page 参数,直接返回 查询结果 执行LOCAL_PAGE.remove() 清除 page 参数 但是如果使用线程池的话,当前线程执行完毕,并不会被销毁,而是会将当前线程再次存放到池中,标记为空闲状态,以便后续使用。在后续使用这个线程的时候,由于 线程 的 threadLoc...
Specifies the name of a SQL Server database when the object resides in a local instance of SQL Server. When the object is in a linked server, database_name specifies an OLE DB catalog. schema_name Specifies the name of the schema that contains the object if the object is in a SQL Ser...
The following SQL statement selects the age, first and last columns from the Employees table where first column contains Zara −Open Compiler SQL> SELECT first, last, age FROM Employees WHERE first LIKE '%Zara%'; UPDATE DataThe UPDATE statement is used to update data. The syntax for UPDA...
The classCL_ABAP_DYN_PRGcontains methods that support the creation of correct and secure dynamicWHEREconditions. The literals of the dynamically specified Open SQL statements can span multiple rows of a token specified dynamically as an internal table. ...
For details about each nonaggregate function, seeSection 14.20.1, “Window Function Descriptions”. As an example of one of those nonaggregate window functions, this query usesROW_NUMBER(), which produces the row number of each row within its partition. In this case, rows are numbered per co...
SQLSTATE[42000]: Syntax error or access violation: 1055 Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'zyd_first.info.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by ...
If an expression contains a single-valued relationship field, the navigation can continue to an object that is related to the field. However, an expression cannot navigate beyond a persistent field or a collection-valued relationship field. For example, the expression p.teams.league.sport is ...